Adding comments to a proof is easy. There are different red pens to choose from, and you can edit/delete comments too



Adding a comment
Creating private comments
Use mentioning to draw the attention of others to your comment
Adding attachments to comments
Styling comments
Using comment numbers
Editing a comment
Edit pin position
Deleting a comment or reply
Star a comment
Add a comment duration on a video proof
Setting the color of the pen tool
Filtering comments
Comment icons
Text search in a PDF proof