Protecting Office 365 Documents with Conditional Access Policies

Azure Conditional Access policies can be used with Azure Information Protection (AIP) to secure protected documents against unauthorized access. If you have already decided to use AIP as part of your Office 365 data protection strategy, adding a conditional access policy is a quick way to frustrate people who try to access documents when they shouldn’t.
https://www.petri.com/conditional-access-policies-protect-office-365-documents