Sibelius Audio Export & MIDI Notation Expert

I'm having an issue with my Sibelius software not notating what I'm playing in real-time with my MIDI keyboard. I need a professional who can help me with this issue and also assist with exporting the audio to a suitable format.

- Tasks:
- Troubleshoot and fix the MIDI notation issue.
- Export audio to the necessary format.

The ideal freelancer for this project should have extensive experience with Sibelius, particularly with MIDI keyboard input and audio exportation.