Riley Hirshey

I'm brand new to music production and I can't seem to figure out why the oscillation knob, resonance knob, LFO knob, etc. don't do anything when I turn them. I'm using the Nektar LX25+ MIDI controller if that helps. I want to mess around and see how they impact the sound of the instruments but as of now they do nothing. Maybe I'm not using it right or something, any help is appreciated!