GUI Design / Thoughts on user experience

Good day/evening. I wanted to ask in terms of design. I have three buttons (image includes a view of everything), 2 of which are getting replaced by a simple export button. With this in mind, I still need to know what types of files they will be exporting, and if there are more files I need to add, I can do so without adding more buttons to the page. The code for exporting as a Word Document and PDF is already built and in there respective functions. I just need to figure out if radio buttons is a good approach or is there something better?