Many users don't realize that . However, there is a major catch: The feature is considered unstable and was removed in MuseScore 4.0.
While there is no direct, one-click button to perfectly convert a PDF to an MSCZ file, you can achieve this by using Optical Music Recognition (OMR) software or manual transcription.
: This will redirect you to the MuseScore.com import page. You will need to sign in to your account.
Run OMR: