Upload the PDF, scan or photo to Presentr Analyze with Extract text, tick "Also translate the text" and pick your language. When the text is ready, press Read aloud next to it to get an MP3 of the translation (or the original).
2 credits per PDF page (1 per image), 1 more per page to translate, and 2 credits per minute of audio.
No. You get the text in reading order, not a copy of the page.