In order to print out a score you need to perform the following steps:
- Open a score;
- Tap the 3-dotted (hamburger) menu in the right upper corner of your screen;
- Save score on your device via the 'Export to PDF' option;
- Find it in the File app (or any other storage app you saved it to - );
- Press the score file, and tap 'Share' -> 'Print'.
For any assistance please contact please support@musescore.com.