I tried an export of a project of mine, which is just a piano part, on this program, and it seems to struggle with even the high-res PDF exports of MuseScore. It'll miss basic rhythms, over-extend and cut short several measures, and even just miss entire beams. In my specific case, it even doubled every note value in a measure. If you're scanning and converting a full score, it'd probably be faster just to input the notes yourself rather than scan and fix all the errors.