Hi @Parth Mehta,
This article teaches you to migrate your SQL Server Always On availability group to SQL Server on Azure VMs using the Azure Migrate: Server Migration tool. Using the migration tool, you will be able to migrate each replica in the availability group to an Azure VM hosting SQL Server, as well as the cluster metadata, availability group metadata and other necessary high availability components.
Migrate an availability group to SQL Server on Azure VM
Regards,
Zoe Hui
If the answer is helpful, please click "Accept Answer" and upvote it.