SAP IDES Access [Dedicated Server] means that you will have a subscription to a server with an SAP system. Only you will have access to this SAP server. It is possible run any SAP Basis transactions, create new user accounts and do ABAP development with this subscription.
This system can be scaled up to ten concurrent SAP users. The dedicated SAP system comes with an initial 90-day temporary license. Customer is responsible for their own SAP License for dedicated SAP systems.