@Gal Lev , Thanks for posting in our Q&A. Based as I know, for Windows 365 cloud, PC it only allows one user who subscribes it to login. Others can not login.
For static IP, my answer is no. We can feedback it on windows 365 feedback website.
https://techcommunity.microsoft.com/t5/windows-365-feature-requests/idb-p/Windows365Requests
Here is a customer with the similar request: for the reference:
https://techcommunity.microsoft.com/t5/windows-365-feature-requests/static-ip-address-for-all-windows-365-users-for-one-company/idi-p/2637374
Hope it can help.
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