A few days ago, we announced that Microsoft Enterprise customers is now allowed to bring their own SQL Licenses to Azure VMs. This means that if a customer already have a SQL License, this license can be used on SQL Server VM images from Marketplace.
This means that they do no longer need to build their own VM, but instead can just provision a server from the marketplace and use the existing license.
Read a lot more on the official blog post
https://azure.microsoft.com/da-dk/blog/easily-bring-your-sql-server-licenses-to-azure-vms/