SymptomsSome of the available versions of Parallels Plesk Panel are not shown in Parallels Power Panel under the the available control panels.
Parallels Power Panel > Management > Control Panels
However, the application templates of the missed versions are installed on the PVC server.
ResolutionThis is a known issue that will be resolved in the next release of Parallels Virtual Automation.
All available versions of Parallels Plesk Panel can be found at:
PVA Management Node > Infrastructure > select PVC node > Software > Applications > Manage Applications