A mild lift/level shouldn't effect your toe and camber isn't adjustable on a solid axle (that I am aware of). It will effect your caster, axle centering and steering wheel position.
Verify with Rough Country that they will actually lift the Tremor 1.5". These trucks ride on different front springs than the other Super Duties)
I put a Ready Lift 2.5" level in my 2017 and only re-centered my steering wheel, it wore my Ridge Grapplers like I would expect any solid axle truck to wear a tire. Stay on top of your rotations, once they start cupping they will cup faster (in my experience). I did not install caster shims and never had any death wobble.