Our Blurb to Amazon program for photo books allows you to sell your photo book on Amazon.com only. We also offer a Global Retail Network that allows you to sell your book on all Amazon websites. However the Global Retail Network is only available for trade books. I hope I've clarified this doubt for you.
Regarding your book availability, if you haven't done it already, I suggest you reach out to our Customer Support team and they'll be happy to look into this for you.