Use text annotations to add comments and specify the required corrections to a page.

1. On the upper-right corner of the toolbar, tap .
2. On the annotation toolbar, tap , and then tap the location where you want to place your note on the page.
   A text box and keyboard appear in the specified location.
3. Type your comments.
4. Tap anywhere on the page to close the text box.
5. A  icon indicates that a note is added in the specified location.