Try EMF instead of PDF.
On Thu, Jun 20, 2013 at 10:36 PM, Timothy DeWees <tdewees at charter.net> wrote: > I?m working in a large, complex book (3000+ pages). One of my co-workers > was tasked with creating some new images for the book using visio. I > suggested converting the visio images into pdf ?images? and pulling them > into the book that way thinking that the text within the images would be > searchable. The text within the original pdf images is searchable. But once > the entire book is converted to pdf, the text in the images is no longer > searchable.
