How to extend a disk of an Azure Local virtual machine

Question

Hello All, We have an on-premises Azure instance with 5 nodes, deployed from the Azure portal. All VMs have been created from the Azure portal. We have a question about disk expansion for a virtual machine. If we need to expand a disk, where should we expand from? We've tried to do it from the Azure portal, but we can't find a way to do it. We've also tried using the Windows admin center, but the changes aren't reflected in the Azure portal