You can configure fields displayed on the Agreement Detail tab when you review a third-party agreement document imported through Intelligent discovery.
To configure fields on the Agreement Detail tab
Go to Setup > Object Manager > Agreement > Field Sets > Update Fields Intelligent Import Field Set.
Drag the fields from the object palette and drop them into the In the Field Set container.
To make a field as required, double click the field or click the wrench icon () next to the field.