As we all know employees can check their requests from ESS module from the My request section and even being an RM, he/she can check if any request is pending for action through the Pending on me.
However being an admin or sub-admin we can view all types of the request ever created along with the Approver name choosing the ‘From’ and ‘To’ date of any desired 3 months, to check so please refer to the attached video.