> Can I convert PDF files to csv or excel?

Yes, there are a lot of webpages those do this kind of conversions, many of them for free, but you know, you must upload your pdf file, so the free is just in our mind, they will keep a copy of your pdf file forever. :)
If you don't have problem with a copy of your pdf on the converter site, here are some examples:
https://www.pdftoword.com/
https://online2pdf.com/pdf2word
http://www.pdfonline.com/pdf-to-word-converter/
http://convertonlinefree.com/PDFToWORDEN.aspx
You can also search on google and will find a lot more, even pc programs to download.