Open the menu and navigate to TEAM > TIME > TIMESHEETS > CHANGE REQUESTS > TIMESHEET CHANGE REQUESTS
You are greeted by this default view "THIS WEEK". Click the blue calendar if you need to change the dates to view requests prior to this week.
Scroll to the right to view the details supplied by the employee
View the record and determine whether you are going to approve it or deny it by selecting the checkbox on the left and then selecting APPROVE or REJECT