How to review Tracked Changes
To see only some types of changes, on the Review tab, in the Tracking group, choose Show Markup:
Then clear each check box for changes you don't want to see. For example, you might want to see only comments:
To see changes from only some reviewers, on the Review tab, in the Tracking group, choose Show Markup, and then choose Specific People:
On the Specific People submenu, clear the check box for any reviewer whose changes you do not want to see.
See also this tip in French: Comment afficher les modifications suivies.