For slide-formatted pdf to ppt, I use a number of tools with varying results. Because the results are dependent on content -- as well as the initial setup of the ppt environment (backgrounds, etc.) -- I suggest you experiments with some of the free tools before moving on to the more costly solutions. For other than extracted slides ... I have not found an acceptable tool to automate the conversion of pdf files into PowerPoint. But I do use Pdf To Ppt Converter Professional to export graphics to individual files and to recognize text using OCR. Then I cut-and-paste the wanted copies into my PPT format. I do my footnotes as the last slide -- then I can use hand-outs, projected talk slides, or make the entire package available on the web.
I use a number of other PPT conversion tools. The goal is to be organized; to have it organized, so each file will be ready to create the presentation as the first step. One of the issues associated is the need to keep track of a series of files from many sources on various media. So, I try to create a separate folder for each format conversion. For a large series of files, I try to use different tools to create a single file that serves as the final PDF. My experience with all the tools, however, suggests that no single software is capable of handling all the conversion tasks. Some tools can handle a lot of tasks, but all of them are not optimized for handling all those tasks in a well-defined and clean-looking way without causing additional work. Some software tools have more problems than others. For.