What is Review mode?

You use Review modeIn this mode you can review and accept or reject any edits made to an article. to review changes to your article — approving or rejecting them. You cannot make any text edits in Review mode and you cannot use the Undo/Redo commands.

You can see all the changes made to your article and accept or reject them one by one. As Corresponding Author, your changes are accepted by default. If you've accepted changes in Review mode, you can go back and reject them if necessary. See the topic Using Track Changes for information on Review mode procedures.