Are you using the audio mixer in your project? Reverb is not supported in the non-audio-mixer code on Mac.
To enable the audio mixer, set the following in your default engine ini file (or the Mac platform ini file):
[Audio]
UseAudioMixer=True
Are you using the audio mixer in your project? Reverb is not supported in the non-audio-mixer code on Mac.
To enable the audio mixer, set the following in your default engine ini file (or the Mac platform ini file):
[Audio]
UseAudioMixer=True