Hey Mark.
I have two old acoustics which do not have pickups. I didn't want to cut holes in them (for fear of destroying the tone) so I got a sound hole pickup instead.
I plug that into a multi effects pedal for some delay, reverb and chorus and the results are pretty sweet.
Here is the one I use: https://www.audiomart.co.za/product_info.php/seymour-duncan-sa-3sc-woody-single-coil-acoustic-soundhole-picku-p-26068
Word of advice - don't go cheap on this. The cheaper pickups sound horrendous.
Hope it helps. Good luck.