Insert a Comment Annotation

Click the Comment button, which looks like a text bubble over a square, in the annotation toolbar.

annotation toolbar, comment button highlighted

Next, click a space in the document that you wish to comment on. This will drop a comment icon onto the document and open a plain-text box on the left side for writing your comment. Type your comment, then click SAVE.

comment icon highlighted in text, comment text box to side

Click your comment to it for reply or deletion.

You cannot edit a comment that you have posted, only reply to or delete it.

comment opened for reply or deletion