Yes, this is done by defining User Groups and granting rights to the Directory and LDAP Object, as follows:

1. Launch cDir Management Console.
2. Go to Users & Access tab.
3. Select User Groups tab.
4. Click Add New Group button.
5. Define a new Users Group (see cDir Installation Guide >> Assign User Access Rights section for more details).
6. To change the rights to a Directory go to Directories tab.
7. Edit the corresponding Directory.
8. In the Visible To section, click arrow to move the desired group from Available to Selected.
9. Click Save to persist the settings.
10. To change the rights for a LDAP Object go to LDAP Objects tab.
11. Edit the corresponding LDAP Object.
12. In the Visible to section move the desired group from Available to Selected.
13. Click Save to persist the settings.