Help please( potty training)

Spring Momma 🐞🐝💐🌿 • 31| Married 💍 SAHM of two 👧🏻💕 👶🏻💙

We’ve been potty training our daughter for over two months now and shes been doing good for the most part, the only thing is we cant get her to poop in the toilet every time. Theres times she’ll just sit in her poop. Any tips ? Hubs and i are getting tired of either throwing underwear away( too much of a mess) or washing out poopy underwear. She’s three by the way.