PCS/PVC nodes have "License not installed" status in PVA MN.
At the same time the license on the node is active:
[root@localhost ~]# vzlicview Searching for installed licenses... VZSRV status="ACTIVE"
The problem is recognized as product bug PVA-33599.
The fix is included in PVA 6.0 Update 2 (pva-release 6.0-2145).