Enolsoft has released Enolsoft PDF to Text with OCR for Mac. It allows users to extract text from PDFs (including native and scanned PDF) or common images to save as plain text files.
Enolsoft PDF to Text with OCR for Mac is available at a retail price of US$39. A demo is available for download. Go to http://tinyurl.com/n9rjkf3 for more info.