2024-01-27 00:00:00 Employee Self Service (ESS) is part of the Tyler Technologies Munis product. If your employer runs Munis, then this app is for you! Employee Self Service Mobile is an app for your phone to access the features of the ESS Website anywhere, anytime. You can view Time Off, Personal Info, Pay/Tax info, and Benefits. You can make Time-Off requests and edit your Personal Info.