No. As long as your devices are associated with the same Apple ID, you can install your purchased voices on all of them. Go to Settings-Manage My Voices and press “Restore” and you’ll be able to download the voices you have already bought.
Most likely, it’s because the PDF files contain scans of text. You need to perform OCR (Optical Character Recognition) to extract text information from scans.
No, unless the PDF file contains an OCR layer. When you scan a document into a PDF file, the file contains images of text. To convert images into actual text, you need to do OCR (Optical Character Recognition).
Not directly. Voice Dream Reader can load eBooks in EPUB format. But most books you buy have DRM (Digital Rights Management) protection to prevent piracy, which means they are encrypted. If you try to load them into Voice Dream Reader, they’ll show up empty.
There’re ways to remove DRM, but it’s not trivial. Kindle books requires an extra step to convert from MOBI format to EPUB format.
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