FileConvert is batch PDF conversion software for turning existing files, like scans, faxes, and Word documents into searchable PDF. It will watch for new scans from a network scanner or crawl for files to convert.
If you scan with a desktop scanner, look at FileCenter. But if you want to convert network scans or update existing files to searchable PDF, you need FileConvert

Features:

+ Watch for incoming files
+ Convert existing files to PDF
+ Make files searchable & indexable
+ Make use of your network scanner
+ Auto separate & save files
+ Use simple wizards for setup
+ Schedule heavy jobs after hours
+ Wants or needs a paperless office
+ Has a network scanner
+ Has boxes full of paper to archive
+ Has many unsearchable scans
+ Wants to delay OCR until off hours
+ Wants automatic file separation
+ Needs easy setup with wizards