Hi @Terry Friend , welcome to Microsoft Q&A.
As correctly mentioned by @ErikEJ , Azure SQL Databases always run on latest stable version of the SQL Server database engine.(Refer to link for more details).
You can run below queries to check the same after creating the database:
select @@version as version;
select serverproperty('ProductVersion') as [version],serverproperty('Edition') as [edition];
SELECT name, compatibility_level FROM sys.databases;
Please let us know if more details needed.