Nothing ventured nothing gained
As an overall idea of squiggle factor, you can buff painted surfaces to a mirror finish with increasingly fine grits of abrasive (and compound).
Another factor is the orbit of your sander. Mirka offer 2.5mm 5mm and 8mm. The smaller the orbit the less aggressive and less swirly the result.
granat may be quite aggressive compared to equivalent coarse Abranet?
Some variables there for you to balance out and master your sander!