If Ava shows garbled text or can't extract information from your PDF, the file may be encrypted.
Common causes
PDF was created with encryption/security settings
Some document management systems add invisible encryption
The PDF appears normal but has underlying protection
Solutions
Use an online PDF unlocker - Services like ilovepdf.com can remove encryption
Re-export the PDF - Open in your PDF viewer and "Print to PDF" or "Save As" a new file
Check source settings - If creating from DocuSign or similar, check export settings