Hi @Deborah Thomas
Please refer to the blog: Easily switch between editing, reviewing, and viewing documents in Word
The Editing button is used to switch back to normal, not use Reviewing or Viewing mode.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.