On citrix & VDI environment you must install Teams customized version.
About Citrix you can find more installation information in below link.
Unfortunately Remote Assistance Request/Offer limitation (built-in) is not permittd on Virtualized environment.
Hoping that this information could be useful for somen.
https://docs.citrix.com/en-us/citrix-virtual-apps-desktops/multimedia/opt-ms-teams.html
[UPDATE 2022.05.11]
https://www.microsoft.com/it-it/microsoft-365/roadmap?featureid=87560
https://admin.microsoft.com/AdminPortal/home?ref=MessageCenter/:/messages/MC376242
https://admin.microsoft.com/AdminPortal/home?ref=MessageCenter/:/messages/MC376245