Sibelius is meant to read scanned score and display it for edit / whatever.

I know a few people who swear by it - but more who swear at it! - the main problem seesm to be that scanners break up the music staves - especially is the scan is not exactly square & hand written is worse!

And even then - you cant import that into biab

I just find some quiet time & re-capture manually - Chords first and then the notation