Understand how to change the size of a page in Adobe FrameMaker.
Make the appropriate document window or book window active. If a book window is active, select the documents you want to affect.
Choose
.Do one of the following:
Choose a standard size from the Page Size drop-down list. The correct dimensions appear in the Width and Height text boxes.
Enter dimensions in the Width and Height text boxes. Custom appears in the drop-down list. The custom page size you specify can be small, depending on the document’s margin settings, or as large as 216 inches by 216 inches (approximately 548 centimeters by 548 centimeters).
Click Set.
UsePDFResolution=300
in
the maker.ini file under the folder <%appdata%\Adobe\FrameMaker\16>.
To know more about PDF output see, Generate a PDF.