How to create a document showing all comments:
- Click Comment on the top-right.
 - If the comment list is not open, then click Comments List.
 - On the top-right of the Comments List pane, select Options --> Create Comment Summary.
 - In the window that opens, select the radio button next to Document and comments with connector lines on single pages.
 - Click Creat Comment Summary.
 - This creates a new PDF document that shows the comments.
 - Save the document.