Hi @sean-custer,
first of all I’d use the later resource azurerm_linux_virtual_machine (https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/linux_virtual_machine), if provider version allows.
Within this check the plan section.
This looks comparable: vh-wowza/vm_base.tf at cf5d4899486f9aed2c52bd52399653006794276d · hmcts/vh-wowza · GitHub