It is a Broadcast Voice Leveler and will try to get the signal on a configured level within parameters of max attenuation and gain fir fast medium and slow dynamics.
All the options are easy to understand. But this is useful rather for automated compressing/limiting, like live boradcasting than finetuning voice levels for a recording.
Simple but good.
Don’t know, if it is of any use in a mix, but for broadcasting, let’s plays and alike it is alternative way to hitting your limiter hard.