The permission on handling discussion is set in the user settings. Please edit the user settings from the Admin -> Users and set the Chat to the right settings.
Answer for On some users the send button in Discussion Tab is missing
Author: Rami.Azulay
Expert in deployment of lifecycle management system into Medical Device vendors who seeking warranting successful Medical Device Auditing and Regulatory Compliance through Process Automation Tools It is no secret that Medical Device companies incur much costs and organizational stress relating to creating and maintaining their Technical File, DHF or ISO documentation, especially before first time submission or external auditing by notified bodies. https://il.linkedin.com/in/ramiazulay