You can specify user criteria for an article to control which users can read the
If an article has no user criteria selected, the
article is available to all users who have access to that knowledge base (based on
the user criteria for the knowledge base). Knowledge base user criteria restrictions
override article-level user criteria. For example, a knowledge base that is
configured to restrict user access overrides any access granted at the article
If a user has contribute access to the knowledge base, article-level user criteria
are not evaluated and the user can read all articles in the knowledge base. If a
user has read access to the knowledge base, article-level user criteria are
evaluated to determine if the user has read access to the article.
On the article level, if Can read user criteria is defined,
only those users specified can read the article. If an article has Cannot
read user criteria defined, those users specified are denied reading
the article. Cannot read user criteria overrides
Can read user criteria for articles.