We will offer you a basic "recipe" for developing pad sounds with the JU-06. There are tons of textures out there; so please note these are only some starting points; it's up to you to create unique pad sounds for your music.
SQUARE/PULSE or SAW or both combined
RANGE: 8 or 16
You could add some SUB sometimes but usually none
Modulate the PWM with the LFO.
HPF - most of the times at 0; but you can use it to cut some low end
VCF - adjust FREQ to taste; RES mostly to 0
ENV - adjust to taste; LFO mostly to 0; KYBD mostly to 10
Attack (0-5); Delay (3-9); Sustain (4-10); Release (4-8)
According to taste
Yes (I or II)