Node Connectivity
There are 1788 nodes that can be used as predessesor
for a node with an input port of type 
org.knime.core.node.port.AbstractSimplePortObject.
Remove Password Modern UI
Remove password from a PDF file
Sanitize PDF Modern UI
Sanitize a PDF file
Sign PDF With Cert Modern UI
Sign PDF with a Digital Certificate
Validate Signature Modern UI
Validate PDF Digital Signature
Auto Split PDF 1 Modern UI
Auto split PDF pages into separate documents based on size or count
Create Booklet Imposition Modern UI
Create a booklet with proper page imposition
Crop PDF Modern UI
Crops a PDF document
Delete Pages Modern UI
Remove pages from a PDF file
Edit Table of Contents Modern UI
Edit Table of Contents
Extract Bookmarks Modern UI
Extract PDF Bookmarks