Is it possible to enable the chatroom feature in a VOD showroom?

No, the chatroom feature is only available for live events.

If you want to broadcast VOD with chatroom feature, it's realized by using Simulive - Playback mode on live module. If you would like to broadcast a VOD with chatroom features, this can be done by using the simulive mode for live events.

Please refer to the following article for more details: