If you have admin access, you can view the audit trail (or the history) of a timesheet record. You can see when the records are created or modified, and by whom. You can also see what changes were made to the timesheet during each update.
To view a timesheet’s audit trail, first navigate to the employee’s timesheet view.
Once you find the timesheet record, select the “Audit Trail” option in the “Actions” menu.
This will take you to the Audit Trail: