Node Connectivity
There are 3146 nodes that can be used as predessesor
for a node with an input port of type 
Table.
Replace and Invert Color
Replace-Invert Color PDF
Repair PDF
Repair a PDF file
Remove Blank Pages
Remove blank pages from a PDF file
Process PDF With OCR
Process PDF files with OCR using Tesseract
Flatten
Flatten PDF form fields or full page
Extract Images
Extract images from a PDF file
Extract Image Scans
Extract image scans from an input file
Decompress PDF
Decompress PDF streams
Optimize PDF
Optimize PDF file
Auto Split PDF
Auto split PDF pages into separate documents