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In the All Tools Pane, click the Add Comments Tool.
The Comments Pane will appear on the right side of the screen. Highlight a piece of text or image you want, then a comment box will appear.
Write your comment and click Post.
The text will now be highlighted with a little comment icon will appear over the text. If you want to change the note, click on the note icon and add a reply.
Section 8.12: Organizing Comments from Multiple People
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