Many power users stick with version 9.5.366.0 because it introduced several specific quality-of-life updates that made high-volume work much easier: PDF-XChange Products Comparison Chart
While the standard version is great for basic viewing and commenting, the "Plus" edition is a powerhouse built for professional workflows. The standout upgrades include: pdf-xchange-editor-plus-9-5-366-0-full-version
Unlike the basic version, the Plus edition uses an Enhanced OCR engine (based on ABBYY FineReader technology) that can convert scans into truly editable text, not just a searchable overlay. Many power users stick with version 9
About Product Bundles: PDF-XChange Pro is a bundle product that contains a license for PDF-XChange Editor Plus, PDF-Tools and PDF- PDF-XChange PDF-XChange Editor Plus pdf-xchange-editor-plus-9-5-366-0-full-version