[otrs] FAQ Permissions

I am wondering if it is possible to restrict what categories of FAQ a customer can see. Currently, logging in as a customer, you can see all FAQ categories (folder hierarchy) even though access to particular FAQ is restricted. We would like a customer not to see categories (which might have other customer names, etc) for which he does not have permissions. Any help appreciated. (sorry for the re-post, I thought I may have been non-compliant by omitting the [otrs] in my previous subject line) Andrew Long EscapeWire Solutions, LLC