Simply launch the app, click 'Open File', then select your PDF to view and browse pages easily from the main interface.

Yes, select 'Edit PDF', then click on the text you want to modify. You can add, delete, or alter text directly within your document.

Navigate to 'Merge & Split PDFs', choose the files you want, then click 'Merge' to combine them into a single document.

Go to 'Merge & Split PDFs', select your large PDF, specify split points, then click 'Split' to create smaller files.

Go to 'Convert PDF' feature, select your file, choose the format ('to Word' or 'to PDF'), then click 'Convert' to start.

Auto summarization requires a purchase; go to 'Settings > Subscription' to upgrade and access this feature.

Open 'Settings > Account > Subscription', choose your plan, and follow the prompts to complete payment and unlock premium tools.

Basic PDF viewing and editing are free; converting, merging, splitting, and AI chat features require a purchase via subscription.

Try restarting the app, ensure your software is updated, or contact support in 'Help > Contact Us' for assistance.

Yes, after subscribing, you can log in on multiple devices to access your paid features, depending on your plan details.