Node Connectivity
There are 1570 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.core.node.port.AbstractSimplePortObject.
Page Count Modern UI
Checks if a PDF is greater, less or equal to a setPageCount
Page Rotation Modern UI
Checks if a PDF is of a certain rotation
Page Size Modern UI
Checks if a PDF is of a certain size
Add Attachments Modern UI
Add attachments to PDF
Add Page Numbers Modern UI
Add page numbers to a PDF document
Add Stamp Modern UI
Add stamp to a PDF file
Auto Split PDF Modern UI
Auto split PDF pages into separate documents
Decompress PDF Modern UI
Decompress PDF streams
Extract Header Modern UI
Grabs all JS from a PDF and returns a single JS file with all code
Extract Header 1 Modern UI
Extract header from PDF file