Access Windows 10 Enterprise and Windows 7 Enterprise at no additional cost if you have an eligible Windows 10 Enterprise or Microsoft 365 license. Access desktops powered by Windows Server Remote Desktop Services at no additional cost if you’re an eligible Microsoft Remote Desktop Services (RDS) Client Access License (CAL) customer. You pay only for the Azure compute, storage, and networking associated with the virtual machines you use in your environment. Take advantage of options such as one-year or three-year Azure Reserved Virtual Machine Instances, which can save you up to 72 percent versus pay-as-you-go pricing. Reserved Virtual Machine Instances are flexible and can easily be exchanged or returned.
Source: Azure Documentation FAQ