In Pega, access groups and access roles are used to control access to various parts of the system. Here are some scenarios where they might be used:
Access groups are used to control access to different parts of the application for different sets of users. For example, you might create an access group for HR managers that gives them access to employee records, while limiting access to this information for other users.
Access roles are used to control access to specific objects in the system, such as cases or data records. For example, you might create an access role that allows users to view cases, but not edit them. This can help to ensure that sensitive information is protected and that data integrity is maintained.
Access groups and access roles can be used together to create complex permission structures. For example, you might create an access group for managers that gives them access to certain parts of the system, and then use access roles to further limit their access to specific objects within those parts of the system.
Access groups and access roles can also be used to enforce segregation of duties. For example, you might create an access group for developers that allows them to create and modify rules, but not deploy them to production. Then, you might create an access group for production administrators that allows them to deploy rules, but not modify them.
Access Group defines --
1) Application that user can access,
2) Portal,
3) Defines the role of the user,
4) Work pool for the user.
Access of role to object allows minute control for the features that user should get access to.
e.g - Activity, Reports, etc.
We create Role & then define which all objects (Rules, Case, etc) he can access.
Overall, access groups and access roles are powerful tools that can be used to control access to various parts of the system and to enforce security and compliance requirements.