If your organization has large volumes of self-service content that often change and multiple people collaborate on it, it might be a good idea to introduce a node review process. It helps you define rules for when nodes need to be reviewed to ensure they contain accurate and up-to-date information.
The node review process provides you with the following capabilities:
Set nodes to "expire" if they haven't been edited for a certain period
Highlight nodes that need review because:
They have expired
Someone marked them as "unreviewed"
Use filters to quickly locate nodes needing review
Quickly review nodes one by one or in bulk
For more details, see Set up and use node review.