ABC Amber Lotus Notes Converter
This might be helpful –> ABC Amber Lotus Notes Converter
I’ve used this tool successfully to generate PDFs in mass from Notes mailboxes and other databases, though I’ve found that it occasionally crashes when you have a typo in the path of the NSF that you want to process.
SWING PDF Converter for Lotus Notes
You may consider this tool as well: Lotus Notes Export to PDF
Take a look at these screencasts (You can see how to convert a group of selected Notes documents to PDF – creating either a single PDF Package or separate PDF files):