Multilingual.

Bluebeam Revu eXtreme - More efficient, more powerful and more reliable than any other PDF solution of its kind, Revu eXtreme was built for power users who want to take their paperless work processes to the eXtreme. Success from beginning to end Revu delivers award-winning PDF creation, editing, markup and collaboration technology designed for AEC workflows. Drive project efficiency by utilizing markup data across the entire project lifecycle, and streamline workflow processes to increase productivity.

http://www.bluebeam.com/