If you cannot find a "better" PDF, take the best melody line you can find, open MuseScore (free notation software), and spend 20 minutes creating your own "better" version. Your congregation will thank you.
that include lyrics in multiple languages (French, English, Italian). Diocese of Mende : Hosts a clean PDF of the lyrics and melody specifically in French for communal singing. Common Musical Arrangements Ave Maria de Lourdes | PDF - Scribd ave maria de lourdes partition pdf better
If you want to accompany a singer or play a simpler version, use these chords. If you cannot find a "better" PDF, take