Insert a comment
1. On the Review tab,
2. Tap Comment.
3. Tap where you want to add a comment.
4. Type your comment and tap ✓.
Edit a comment
1. Select the comment. Tap Edit Comment.
2. Edit the comment.
Change the Comment mark color
1. Select the comment.
2. Tap Properties.
3. Choose among colors.
Delete a comment
1. Select the comment.
2. Tap Delete.