Welcome to the Community - I would recommend running the small windows desktops directly on the ESXi host - you will get better performance.
On your side note yes you can move VMs created under Workstation to ESXi -
Welcome to the Community - I would recommend running the small windows desktops directly on the ESXi host - you will get better performance.
On your side note yes you can move VMs created under Workstation to ESXi -