I believe Veeam can only evaluate a single VMware tag for selection lists.
Other threads within the forum have provided examples of using scripts to combine multiple VMware tags into a single tag for the purposes of Veeam selection lists.
This seems to be the best approach currently.
Microsoft, NetApp, Symantec, Veeam, Veritas and VMware certified professional
MCTS, MCSE, NCDA, NCIE-BR, ASC, SCS, VMTSP, VTS, VCP