If you are running SQL Server in an Azure VM, or are using Azure SQL Managed Instance, you can use the Agent but may have needs that are beyond its scope. Here's an example from one of our clients.

SQL Server on Microsoft Azure Virtual Machines (VM) had up to 86.8% better price-performance when comparing Azure Hybrid Benefit to AWS License Mobility for three-year compute commitment, and up ...

As a result, according to Canonical's press release, "Customers on Microsoft Azure can launch fully supported instances of SQL Server 2017 or SQL Server 2019 -- Web, Standard, and Enterprise ...