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/epanavbzhu0erwl3phsykrcfz/1.1?preview=false
User Guide:
https://navblue-authoring.tts-cloud.com/publisher/download/document/eunu87kku23mtv54v7zkomg79/1.0?preview=false