activePDF Spooler allows you to redirect PDF documents to any printer on your network, without requiring any end-user intervention! Designed from the ground up with server-side operation in mind, activePDF Spooler:

Provides true server-based redirection to any printer on your network
Allows you to define hot folders, meaning users can drag and drop PDFs for instant printing on any networked printer.
Enables programmatic spooling from any COM-enabled language, affording you full control over print locations.