“sthree hi brahmaa vibhoovidhaha” and furthermore “Siddhaanta koumudi” also mentioned that the woman who conducts the veda pravachana is called an Achaarya.
Udyogaparva 190-18: “Atra siddhaa shivaa naama braahmNee veda paaragaahaa.”
A Brahman lady by name Shivaa was a scholar of Vedas and she got
Moksha.