Aleksey Vitsko enumerates available options:
You may be familiar with high availability (HA) and disaster recovery (DR) features that are available in SQL Server and have experience configuring and managing them. But you have ever heard of or tried Azure high availability or Azure disaster recovery features. How can I learn more about what Azure brings in terms of HA and DR for Azure SQL offerings – including SQL VMs?
Read on for a variety of options depending upon whether you’re using SQL Server on a VM, Azure SQL Database, or Azure SQL Managed Instance.