Match the base polymer to the job
PLA-CF and PLA-GF print easiest and make stiff jigs on any machine. PP-CF and PP-GF bring chemical resistance and toughness. PA6-GF, PPA-CF, and PPS-CF climb the temperature ladder and want a dry box and a hot end that means it. The fiber stiffens; the base polymer decides everything else.
See PCTG