PDF Candy Pro is an upgraded version of the popular PDF Candy tool. It offers a wide range of advanced features, including the ability to convert PDFs to various formats, such as Word, Excel, PowerPoint, and image files. The Pro version also allows users to edit PDF content, add watermarks, and merge or split PDF files. Additionally, PDF Candy Pro offers OCR (Optical Character Recognition) technology, which enables users to convert scanned PDFs into editable text.