What kind of output? Interactive PDF? Fixed Layout EPUB? Reflowable EPUB? Publish Online? The question doesn't make sense unless you specify the output you plan to use.
dps, I use the DPS as viewing on iPad
You should ask in one of these two forums, depending your InDesign version:
For questions pertaining to the Digital Publishing Suite tools please visit the Digital Publishing Suite forum: http://forums.adobe.com/community/dps
For questions pertaining to the Digital Publishing Solution (DPS2015) tools please visit the Digital Publishing Solution forum: https://forums.adobe.com/community/digitalpublishingsolution