What feature controls user permissions for Knowledge Bases in ServiceNow?

The feature that controls user permissions for Knowledge Bases in ServiceNow is user criteria. User criteria defines the conditions that determine which users can access specific knowledge articles or knowledge bases. It allows organizations to tailor their knowledge management processes by specifying groups or individual users who are permitted to view or interact with particular content.

By using user criteria, administrators can create complex rules based on user attributes or other characteristics, ensuring that only the appropriate audience accesses sensitive or relevant information. This feature provides flexibility in managing knowledge content and enhances the overall security and usability of knowledge management.

While the other options such as access control lists, role assignments, and Knowledge Management policies are also relevant to user permissions in the broader sense, user criteria specifically targets knowledge base access, making it the most directly applicable choice for this question. Each of these other features has its own focus and function within the ServiceNow platform, contributing to the overall governance of data and security, but it is the user criteria that defines who can see which knowledge articles.