Hello Marko,
What other Rock licenses do you have in the status?
Do you see:
Users of rocky_hpc
Users of rocky_preppost
Users of rocky_solver
When installing, did you install Rocky first or was Workbench installed first?
If Rocky was installed first, can you rerun the installation and verify the following appears:
Ansys Workbench Addin
You are navigating away from the AIS Discovery experience