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.
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.
