PDF Studio allows you to import a separate PDF as a new layer into an existing PDF. This is useful if you want to merge several documents on top of one another.
Page Range - The range of pages to be cropped
Layer - The layer to import the PDF document into. Select <New Layer> to create a new layer
Layer Name - The name of the layer the document will be imported to. If <New Layer> is selected you will need to enter a name for the new layer
Starting at Page - The page within the current document to begin adding the layers
Show on Print - Whether or not the layer will be displayed when the document is printed.
Insert - Choose to insert the layer on top of or behind the current page content