Adobe Acrobat Reader DC is the industry standard for viewing, printing, signing and commenting on PDF documents. Developed by Adobe Systems
License: Freemium
PDF-XChange Viewer is a lightweight and feature-rich PDF tool that excels in editing and OCR capabilities, making it a great choice for users looking for cost-effective solutions. Adobe Acrobat Reader DC, on the other hand, offers robust features with strong cloud integration and accessibility support, but it tends to be more resource-heavy and costly.