Permissions for groups to view some pages

Hey guys,
I have created 4 groups which has different users. For each group of peoples i have different Main Pages.
Can i somehow lock users from 1 group to see another group page? Is this even possible?

Regards,
Awesome Matt

You can refer this → https://www.xwiki.org/xwiki/bin/view/Documentation/AdminGuide/Access%20Rights/