Hi @moha moha ,
Thanks for reaching out to Microsoft QnA.
I understand you are facing difficulty enabling the NP20s VM. I would like to understand more to be able to help you better.
NP20s VM actually falls under FPGA - accelerated compute, and these FPGA optimized VMs consists of single or multiple FPGAs, and not GPUs. These sizes are also designed for compute intensive workloads.
I will provide you the links to documentation below, which will provide details of NP series VMs.
NP series - FAQ
Let me know if this helps, and incase this doesn't help, please share some more details on what you are trying to achieve on the NP20s VM, so that I can look further into it to answer your query. Thank you.