Install of Azure CSI Driver is documented in the release notes as "Limitations on Using a Public Cloud CSI Driver"
https://docs.vmware.com/en/VMware-Tanzu-Kubernetes-Grid-Integrated-Edition/1.18/tkgi/GUID-release-notes.html#known-issues-21
which references a KB
https://community.pivotal.io/s/article/How-to-install-Azure-file-disk-CSI-driver-onto-TKGI-1-14-cluster?language=en_US