How to convert PDF files to Word on Mac?

I've got some PDF format files and I need to edit them, How can I convert PDF files to Word format on Mac? then I can modify them easily.

It is highly recommended that use the professional Vibosoft PDF to Word Converter for Mac. It is one stand-alone program you can convert PDF to MS Word Doc without Adobe Acrobat Reader or Microsoft Word installed, it can convert PDF files to word, html, ePub, excel, PPT .etc.

http://www.vibosoft.com/ebook/convert-pdf-to-word-mac-windows.html

iPubsoft PDF to Word Converter for Mac is a solid tool that does a good job in quality preservation and fast conversion. It can easily convert your PDF documents to .docx format on Mac immediately.
http://www.ipubsoft.com/pdf-to-word-converter-for-mac/how-to-convert-pdf-to-docx-on-mac.html

To convert PDF to Word on Mac, try Coolmuster PDF to Word Converter for Mac. It works great and very easy to use, know more:
http://www.coolmuster.com/pdf/how-to-convert-pdf-to-word-on-mac.html

That's easy if you use iStonsoft PDF to Word Converter. Or you may refer to the article here to find a solution.
http://www.istonsoft.com/pdf-mac/convert-pdf-to-word-mac.html