Azure Dedicated Hosts now provide support for Azure reservations

Azure Dedicated Hosts now offer Azure reservations and support for Lsv2, Msv2, Dasv4, and Easv4 Azure Virtual Machines in addition to providing new hardware options. Run a broader range of general purpose, memory-intensive or storage-intensive workloads on physical servers dedicated to your organization.
Source: Azure Roadmap
Source Link: Azure Dedicated Hosts now provide support for Azure reservations