Pro

1. Universal Compatibility: PDF Reader - All PDF Viewer supports various formats, ensuring seamless viewing of PDFs across different devices.

2. Annotation Tools: Provides robust annotation features, allowing users to highlight, comment, and add notes directly on documents for enhanced collaboration.

3. Offline Access: Enables users to access and read PDF files without an internet connection, ensuring document availability anytime, anywhere.

Con

1. Limited Editing Features: The application primarily focuses on viewing PDFs, offering minimal editing tools compared to more comprehensive PDF editors like Adobe Acrobat Pro.

2. Frequent Advertisements: Users may experience interruptions due to constant ads, which can detract from the overall user experience and productivity.

3. Performance Issues: Users have reported occasional crashes or slow performance, particularly when handling large PDF files or during navigation through extensive documents.