Try&Buy version contains the following limitations:
ABBYY FineReader® 11 OCR software creates editable, searchable files and e-books from scans, PDFs and digital photographs. New levels of speed and accuracy deliver unmatched recognition and conversion, virtually eliminating retyping or reformatting. Further enhancing productivity, it combines one-click Tasks, enabling you to do more with fewer steps.
Convert documents with unmatched recognition accuracy, virtually eliminating retyping.
Easily change, update and use information locked in PDF files.
Intuitive use and one-click automation enables you to do more with fewer steps.