A few things to experiment with:
- Air assist - if you don’t already have it you really need this to do any cutting
- Focus - make sure you’re getting the best possible focus you can. When you’ve got that sorted out, you can experiment with focusing to different depths of the material. One school of thought says to aim half-way down the material for cuts. I’ve found this isn’t necessarily a universal truth but something to consider.
- You may want to experiment with slowing down the cut at lower power depending on how the material responds, increasing the number of passes as necessary.
But candidly the air assist is probably the most significant if you want to pursue cutting vs engraving.