press F1 for help from your document template : https://world.mendix.com/display/refguide4/Document+Template
Show header/footer on first page
Indicates whether the header and/or footer are also shown on the first page. Note that you must use a page break widget to indicate you're no longer on the first page, this can not be calculated while generating content.
Default value: True.
Enable header
Indicates whether the page has a header that is displayed on each page (except optionally the first).
Enable footer
Indicates whether the page has a footer that is displayed on each page (except optionally the first).