What access group has

You can check the dependents for each of the groups that the user is assigned to. If you have access to the Admin Console, you can easily view the groups they are in, and from there you can link over to the specific group. You will have to go up one level and then select the group to view the dependents that are tied to it.

Check on the group and find the dependents of the group. You will find the security objects associated with the group.

in application security summary, you can check all type of security provided to each and every obejcet under that application