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.
Convert to Image Modern UI
Convert PDF to image(s)
Convert to PDF Modern UI
Convert images to a PDF file
HTML to PDF Modern UI
Convert an HTML or ZIP (containing HTML and CSS) to PDF
Markdown to PDF Modern UI
Convert a Markdown file to PDF
PDF to CSV Modern UI
Extracts a CSV document from a PDF
PDF to PDF/A Modern UI
Convert a PDF to a PDF/A
Process File to PDF Modern UI
Convert a file to a PDF using LibreOffice
Process PDF to HTML Modern UI
Convert PDF to HTML
Process PDF to Markdown Modern UI
Convert PDF to Markdown
Process PDF to Presentation Modern UI
Convert PDF to Presentation format