Who has closed captioning?
Closed captions are available for every meeting participant if the host has enabled closed captioning. Closed captioning are available for every Zoom user.
How to enable closed captioning in Zoom
Sign in to the Zoom web portal and click "Settings"->"Meeting"->"In Meeting (Advanced)" and verify that Closed captioning is enabled.
Enable the Closed captioning setting and then enable 3 other options:
Allow use of caption API Token to integrate with 3rd-party Closed Captioning services
Allow live transcription service to transcribe meetings automatically
Allow viewing of full transcript in the in-meeting side panel
Enable the Save Captions:
Now you'll see new button in Zoom to Enable Live Transcript that will put captions on Zoom or if you have Tactiq installed it'll be enabled automatically.