As said that the, formatting of converted pdf is not good. So that depends on the type of pdf. Adobe Export PDF can create high-quality conversions, but the quality of converted document depends on the quality of the PDF file you start with.
Are you experiencing this problem, with all the converted document? You may check with a different pdf and see if that works fine.
You may also check Text is garbled in a converted file | Adobe Export PDF for better understanding about it.