Product : Citrix, Citrix Cloud/current version, Enterprise
Feature : Service credits, Service Level, Support
Content Owner:  Ajay Walia
Not Applicable to Control Plane but can be done via Cloud provider chargeback mechanism for Workers.
Not with Citrix cloud.
You can use Azure Monetary Commitment and/or Azure Credits to pay for the Azure infrastructure associated with the Windows 10 Enterprise on Azure workload for Citrix Virtual Desktops Essentials. However, Azure Monetary Commitment or Azure Credits cannot be used to pay for the Citrix Virtual Desktops Essentials cloud service.