PDF Viewer Pro is a comprehensive PDF management tool that allows users to view, edit, annotate, and sign PDF documents. It supports features like text highlighting, drawing, adding comments, and filling out forms. Users can organize files using folders and tags, and the app supports cloud services for seamless file sharing and storage.

Yes, PDF Viewer Pro can be downloaded on both Android and iOS platforms. The app is available on the Google Play Store for Android devices and the Apple App Store for iOS devices, ensuring users can access their PDFs across different devices.

PDF Viewer Pro does not need an internet connection to view or edit PDF files offline. However, features like cloud syncing, sharing documents via email or other apps, and downloading updates require an internet connection.

PDF Viewer Pro offers a free version with basic features. For premium functionalities such as advanced editing tools, cloud storage, and an ad-free experience, users need to subscribe. Various subscription plans, including monthly and yearly options, are available.

PDF Viewer Pro uses strong security measures, including password protection for PDF files and encryption during data transmission. It complies with privacy standards to ensure user data is not shared without consent, making it reliable for sensitive document management.