InformationParallels Operations Automation (POA) versions 5.3 and 5.4 support Parallels Plesk Panel version 11 if Service Provider View is used.
Power User View is not supported. See the following article for more details:
#114471 Customer cannot add domain to Parallels Plesk Panel: The feature is not supported in Power User mode
To start provisioning Parallels Plesk Panel 11 with Parallels Virtuozzo Containers (PVC) containers, follow Parallels Plesk Panel in VPS Deployment Guide and the recommendations provided in the following article:
#113489 How to create a service template for PVC containers with Parallels Plesk Panel provisioning