Basically all the Pages in your form need to set to "Flowed >> Top to Bottom" and in Pagination set to "Continue Filling Parent"
Also the contents in any of the page are static and need to retain the position, you can warp all the objects in a subform and that subform need to be made "Positioned"
That way you dont see any gaps or blank pages in betweem.
Hope this helps to solve your issue.
Smitha