To understand the hype around , you have to understand the pain points of its contemporaries. Adobe Acrobat 8 and 9 were notorious for taking minutes to launch, requiring .NET Framework updates, and crashing on modest hardware.
Foxit PDF editor 1.4.1325 (the first real PDF file editing software) foxit pdf editor 1.4
Note: Version 1.4 predates PDF/A, PDF 1.7, and ISO standardization (PDF became ISO 32000 in 2008). To understand the hype around , you have