I came across this tool which lets you convert PDF documents to Power Point files in ppt. format, should you need for editing or creating interactive slide shows. This is a free tool and is widely used by Students, Professors and public speakers around the world, and it seems that its popularity is growing. The best thing is that you don't need to install anything!
The Link to the converter is this: http://www.pdfconverter.com/pdf-to-powerpoint-online-free/
Below are its main features:
1) It's completely free to use.
2) People can convert as many files as they want, no limits.
3) There is a Document File Size limit of 2 MB (but it may be upgraded in the near future).
4) The Converter makes very smooth and accurate conversions.
5) It is very quick and users usually receive their converted documents in less a minute or two.
The way to use the tool is the following:
1) You upload your PDF document.
2) Type your email address.
3) Click "Start".
The company also provides other PDF converting services. You can browse through their site here: