Node Connectivity
There are 1571 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.core.node.port.AbstractSimplePortObject.
Overlay PDFs Modern UI
Overlay PDF files in various modes
PDF to Single Page Modern UI
Convert a multi-page PDF into a single long page PDF
Rearrange Pages Modern UI
Rearrange pages in a PDF file
Remove Images Modern UI
Remove images from file to reduce the file size.
Rotate PDF Modern UI
Rotate a PDF file
Scale Pages Modern UI
Change the size of a PDF page/document
Split PDF Modern UI
Split PDF pages into smaller sections
Split PDF 1 Modern UI
Split PDFs by Chapters
Split PDF 2 Modern UI
Split a PDF file into separate documents
Delete Fields Modern UI
Delete form fields