You can access the consolidated view of a client's treatment notes by going to Patients -> Select patient record -> Select the Treatment Note tab -> At the bottom of the treatment note list, you can click VIEW ALL TREATMENT NOTES. This will bring up the client's history in one consolidated view.
To suppress empty custom fields in Consolidated View, you can go to Business Setup -> Your Clinic -> Treatment Note Settings -> Suppress Empty Customfields in Consolidated View -> YES -> SAVE.