Unfortunately, the Office 2013 is not supporting for Mac OS X system at this time, and even the new Mac Office 2013 won't be released for 1-2 years. Many people will ask the question about 'When will Microsoft Office 2013 for Mac be released'. It is best seen as a path for inserting texts or images from PDF documents, rather than a business PDF workflow program. Instead, this similarity is focusing on version, but it copes poorly with complicated layouts.
However, Office 2013 was not designed as a general purpose PDF reader, like Adobe Reader. Generally speaking, Office 2013 can open a PDF by actually converting PDF format to Word format during the process, especially for the large and complex PDF files. PDFelement Pro for Mac - The Best PDF Converter