First, confirm that you are using the latest version of First Draft Pro.
Our current version of the app is v1.0.76. Any earlier versions may cause the Chat function to have difficulty working properly.
If you are on the latest version of First Draft Pro and still experiencing issues with the Chat function, this may simply indicate a conflict with your browser's adblocker.
Common adblockers which can interfere with First Draft Pro's Chat function:
uBlock Origin
AdGuard
Brave Browser (when aggressive shield is enabled)
Ghostery
Privacy Badger
NextDNS
Pi-hole
Turning off your adblocker temporarily should make the Chat function reappear.