The Enterprise edition wasn't just about editing; it was about :
Nitro PDF Professional Enterprise 8 (Nitro Pro 8) is a legacy version of the Nitro PDF suite, originally released in September 2012
Standard capabilities to create, edit, convert (to Word/Excel), and sign PDF files. System Requirements (Legacy) Processor: 1 GHz or faster. 512 MB minimum (1 GB recommended). Operating Systems: