While you can see a VM's object distribution throughout the VSAN cluster by examining the Manage VM Storage Policies view in the vSphere Web Client, you can get more information about a VM's distribution and usage by examining the RVC command.
As we are asking for information about a VM running on VSAN, the command will be executed against the
VMlevel in RVC.Type
vsan.vm_object_info /<vCenter>/<Datacenter>/computers/<Cluster>/resourcePool/vms/<VM>and strike the Enter key:
Here, we see how the object is distributed, its policies, storage-policy UUID, and so on.