Director Panel on CA Workload Automation ESP Edition Workstation is vertical.
When the CA Workload Automation Director is changed from horizontal to vertical on older releases the director will some times be locked and cannot be changed.
If it is an older build you can perform the following
1. Close the Workstation
2. Open a command prompt window,
3. Go in the <installation directory>\bin and 4. Execute command: "Workload Director.exe" /clean /all