Sometimes it does and sometimes it doesn't. Let me explain how. If your PDF document doesn't have any custom formatting and instead, it's written in plain text with default font styling, spacing, and sizing then copying directly to a word document won't make any difference. In case the PDF document you're trying to copy has custom styling including fonts, images etc. then it's not possible to see the word pasted content as it was in your PDF. In that case, you need to convert PDF to word becaus...
Word will know the text that's in there and will display it in the Word version.