Open the shared PDF and select Comments from the top menu.
Scroll through the list to view all comments and tap a comment to jump to its location in the document.
Use the navigation arrows to move through the list sequentially.
Perform the following actions on comments as needed:
- To reply: Tap the text box, enter your comment, and select Submit . To tag a reviewer, use @ in the reply field.
- To add a reaction: Select Emoticon and choose a reaction emoji.
- To delete: Select More options> Delete.
- To resolve: Select More options> Mark as Resolved.
To edit a comment you posted, select More options
> Edit comment. Make your changes and select Submit 
to repost.
Note
To filter comments, select Filters from the top menu and choose criteria such as commenter, unread status, or time frame, then select Apply. When filters are active, a bar at the top shows how many are applied. Select Clear all to remove them.
