Technical FAQs for "Accusoft PDF Viewer"

What browsers are supported by Accusoft PDF Viewer?

• Windows: All chromium based browsers such as Microsoft Edge and Google Chrome.
• Mac: Safari
• iOS: Native Safari Browser
• Android: Native Chrome Browser

What file types are supported by Accusoft PDF Viewer?

The viewer currently supports only PDF file formats based on the PDF32000 specification. If you need more wide ranging document support our PrizmDoc Server platform can help!

Where can I find the documentation for Accusoft PDF Viewer?

Our product documentation is located here.

Do you have sample code available?

• Yes, we have two samples available to get you started quickly:

1. An HTML page that uses the viewer via a <script> tag and CDN URL to display a PDF
2. A React app which uses the viewer to display a PDF.

Why am I unable to see the full menu bar with annotation and eSignature options?

These features are part of our Professional version. If you would like to evaluate the full feature set, please submit a request for a trial key here.

Why am I unable to see the full menu bar with annotation and eSignature options?

These features are part of our Professional version. If you would like to evaluate the full feature set, please submit a request for a trial key here.

How is PDF.js incorporated into Accusoft PDF Viewer?

PDF.js consists of three main layers – Core, Display, and Viewer. We use the Core layer for parsing and interpreting PDFs. We use the Display layer as a base for rendering, and have added improvements in speed and document fidelity. We created the Viewer layer from the ground up to support mobile-first viewing on all device types.

Can I make a feature request?

Yes. You can submit your request here by clicking “Add a new Idea”.

How do I submit a bug if I’m using your free version?

Please submit bugs here.

Can I get support for Accusoft PDF Viewer?

Accusoft prides itself on providing first class support for our customers. For Accusoft PDF Viewer Standard (free), basic support is available for a charge.   For Accusoft PDF Viewer Professional, support is included with additional levels of support available as an upgrade. Please contact us today for more information on our support packages.

Why am I experiencing poor zoom or layout experience on mobile devices when pinching and navigating?

For the best mobile experience make sure and include the following meta tag in the head section of the document containing the viewer:

<metacontent="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"name="viewport"/>

Why is the viewer not rendering my PDF?

Please check the developer console of your web browser to troubleshoot issues with documents not rendering, our product will report all errors and debugging information there.