It is often necessary to export a wiki page to PDF so managers, customers or other people who can't (or don't want to) access the wiki can read documents.
One thing that embarrasses me the most is that you don't have control over page breaks in Confluence PDF exports. There is - at least to my knowledge - no predefined macro available.
But there is a community macro which solves the problem. Take a look at the pagebreak user macro and try it.
With this macro you are in full control over page breaks in PDF exports.