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After you finish making your PDF accessible, you need to check it for any accessibility issues. Automated testing is a great first step. There are various tools available, both within Acrobat itself and third-party-tools. To use Adobe Acrobat’s Accessibility Checker,
Click on the Tools Tab.
Click on the Accessibility Tool.
Click the Accessibility Button.
Adobe Acrobat will check 32 different categories. Click Start Checking.
The results of the Accessibility Checker will appear on the left side of the screen. It will tell you want changes should be made and what passes.
Section 3.2: How to Check a PDF Manually
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Go to File, and Click Properties
In the pop-up dialog, click Description Tab. Type in the title in the Title Field.
Go to Initial View tab.
Under Windows Options, go to the Show section. Select Document Title from the drop-down menu.
Section 3.6: Setting the Document Language
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Go to File and click Properties.
In the Document Properties Box, select the Advanced Tab.
In the Reading Options section, select a language from the Drop-Down menu.
Section 3.7: PAC 2021
PDF Accessibility Checker (PAC 2021) is a free tool to use for checking your PDF’s Accessibility Checker. PAC 2021 checks your PDF for issues compatible with WCAG and PDF/UA Standards. Though you should take the results seriously, remember that automatic accessibility checkers are a good starting point. You should always manually check the PDF and use a screen reader to get the best possible accessibility results. To check your PDF, click on the Upload Button and choose your file. PAC 2021 will create a report for you after a few minutes.
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Section 3.8: Reading Order
Once your document is tagged, you need to establish a Reading Order. This shows the order in which your content will be read by a screen reader. The Reading Order also refers to the Screen Reader Reading Order and the Content Reflow Reading Order. The Screen Reader Reading Order is the order in which content will be read by a screen reader like NVDA. The Content Reflow Reading order is the order the content will be presented when set to Reflow View. That is organized in the Order Pane and is much harder to control. This is because moving items around in the Order Pane impacts the order of tags in the Tags Pane.
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Keep in mind the dual functionality of the Order Pane described above. Key points to remember:
When you move items around in the Order Pane, the tags in the Tag Pane move correspondingly. Sometimes, when objects are moved, their tags may be moved into the wrong place.
When you change the order of items in the Order Pane, the visual stacking order of items also changes. You might end up with an object that should be in front of another object but ends up behind it. This will cause layout problems. You’ll need to fix the order.
The numbering you see in the Order Pane does not relate to the screen reader reading order. Instead, it shows the visual stacking order of different content layers. So don’t be misled by these numbers when you’re checking for screen reader reading order.
In some cases, it's not possible to manage the reading and display order of multiple tags. This is the case for tags that are next to each other from the Order Pane. If this happens, you’ll need to go into the Tags Pane to make fixes.
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Section 3.9: Using the Tags Pane
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Open the Page Thumbnails Pane.
Select all of the thumbnails in the Navigation Pane (Control + Click).
Right-click one of the thumbnails and select Page Properties.
On the Tab Order tab, select Use Document Structure, click OK.
Section 3.11: Cleaning Up Unmarked Content
When you are finished tagging the document, be sure to check that everything is tagged. To be sure:
Open the Tags Pane.
Open the Options Menu.
Click Find.
In the Drop-down menu, select Unmarked Content.
Select the options for Search Document.
Click Find.
Acrobat will show you an untagged item with a pink border around it.
Click Next in the Dialogue Box to see each unmarked content item one at a time.
Tag the items. Repeat the process for the rest of the document.
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Open the Options Menu in the Tags Pane.
Select Delete Empty Tags.
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