In Azure Data Studio, choose a new deployment and pick your data service. These are marked as being for Azure Arc, so for example, choose PostgreSQL Hyperscale.

Microsoft has released the September update for Azure Data Studio, bringing SQL Server command line mode in the Query Editor, Notebook improvements, the Query Editor Boost extension, and more.

The January 2019 release of Azure Data Studio also gets SQL Server Profiler improvements and a host of other updates for users.