Please click the below links to access the PBS 21-4 Administrator and User Guides.
Administrator Guide:
https://navblue-authoring.tts-cloud.com/publisher/download/document/5lvaqoutp58xi3ggmdcsuk388/1.0?preview=false
User Guide:
https://navblue-authoring.tts-cloud.com/publisher/download/document/a1oomy6y9cc6h6uy6diu8opa1/1.0?preview=false