1. Open the document, click "Approve", and click the drop-down symbol showing the mark to view the comments;

2. Select the first comment and click the drop-down symbol to delete it. You can click "Delete" a single comment or "Delete all comments in the document";

3. hide comments, click direct comments > show tags, just check the comments.

After deleting a comment, it cannot be restored. Hiding comments will not affect browsing, and can be displayed again if necessary.