A free program for Android, by DocTunes.

With the DocTunes– PDF & Text to Speech app, you can easily read any document or book in more than 30 languages. It can also convert your PDF documents to text so that you can use the text for any purpose.

This is a free and user-friendly tool for converting PDF documents.

What you can do with the app:

You can also add multiple pages to a document and listen to them one by one.

You can also choose from more than 150 voices, including those that are female and those that are male.