I have previously deploy AKS in East US using the Azure Cloud Shell so didn't expect to run into any issues. However, I hit a minor snag, which I'm documenting here in case you come across it too.
If you run in an environment where you need to track changes to Tags on Resource Groups in Azure then you may find this PowerShell snippet useful as code to drop into a Runbook.
Over the years that I've been talking with public groups on cloud services, and Azure in particular, I will typically have at least one person in every group...