There are currently no panning/width controls for every algorithm, but certain algorithms do have these controls (Polyphony, Head Space, UltraTap, to name a few).
You can also sum all of the FX processing to mono, but this is done globally https://cdn.eventideaudio.com/manuals/h90/1.8.6/content/system-menu/io.html
I’ll log your request to allow some other options.
