User assigned to one webspace in subscription sees all subscription's resource limits.
PPA software issue with id PPA-1073.
Such behavior will be fixed in the future PPA version.
You can get the information about the updates in our products in the following public sources:
htps://parallelsnetwork.com/ - public roadmaps for partners;
http://sp.parallels.com/mailinglists/subscribe/ - marketing news and important announces;
https://kb.cloudblue.com/subscriptions/index.html - knowledge base, each product update comes with corresponding KB article;