1. You can take a look at this post
where I explained how to check page permissions based on a role. Page permissions and content permissions are role based,.
2.You can cast the IPage to ICmsPage when you call GetPage();
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items