About ASAv Deployment On the Microsoft Azure Cloud
Microsoft Azure is a public cloud environment that uses a private Microsoft Hyper V Hypervisor. The ASAv runs as a guest in the Microsoft Azure environment of the Hyper V Hypervisor. The ASAv on Microsoft Azure supports the Standard D3 and Standard D3_v2 instances, which supports four vCPUs, 14 GB, and four interfaces.
You can deploy the ASAv on Microsoft Azure:
As a stand-alone firewall using the Azure Resource Manager on the standard Azure public cloud and the Azure Government environments