Questions effect

Hallo. Question 1 . When we use wave effect but not position but only PAN or TILT why we don’t have the potential to use REVERSE?
Question 2. I lake to have in my live show
One fader pan effect
One fader tilt effect
One fader out the lights.
And I mix them according to needs
It doesn’t work very well. how works in grand ma or avolite If you know how, you will help me. Thank you!!