Currently not easily possible because FSLogix is hard to integrate with cloud-only identities.

See also:

• https://techcommunity.microsoft.com/t5/fslogix-blog/fslogix-profile-containers-for-azure-ad-cloud-only-identities/ba-p/3739352
• https://blog.itprocloud.de/Using-FSLogix-file-shares-with-Azure-AD-cloud-identities-in-Azure-Virtual-Desktop-AVD/