The phrase "paid promos" refers to advertisements or promotions that someone pays for in order to promote a product, service, or brand. Full definition
I got 3,000 + downloads during the first 3 free promo days where I used all of the above three paid promo services. (robcubbon.com)
Apple has been running regular weekly Apple Pay promos for some time now, but this week is offering deals from not just one brand but ten of them. (9to5mac.com)
I'll probably use Pixel of Ink paid promos once they finalize their program. (nichepursuits.com)