# PDF Viewer Accessibility

Out of the box, the Kendo React PDF Viewer provides extensive accessibility support and enables users with disabilities to acquire complete control over its features.

The PDF Viewer is compliant with the [Web Content Accessibility Guidelines (WCAG) 2.2 AA](https://www.w3.org/TR/WCAG22/) standards and [Section 508](https://www.section508.gov/) requirements, follows the [Web Accessibility Initiative - Accessible Rich Internet Applications (WAI-ARIA)](https://www.w3.org/WAI/ARIA/apg/) best practices for implementing the [keyboard navigation](https://www.telerik.com/kendo-react-ui-develop/components/pdfviewer/accessibility/wai-aria-support#keyboard-navigation) for its `component` role, provides options for managing its focus and is tested against the most popular screen readers.

## WAI-ARIA

This section lists the selectors, attributes, and behavior patterns supported by the component and its composite elements, if any.

The PDF Viewer component contains two inner elements - a toolbar and a page container.

[ToolBar accessibility specification](https://www.telerik.com/kendo-react-ui-develop/components/buttons/toolbar/accessibility/wai-aria-support)

| Selector                                                              | Attribute              | Usage                                                                                  |
| --------------------------------------------------------------------- | ---------------------- | -------------------------------------------------------------------------------------- |
| `.k-pdfviewer .k-canvas`                                              | `tabindex=0`           | Defines the focusable page container element.                                          |
|                                                                       | `aria-label`           | Describes the purpose of the focusable container. Translatable message.                |
|                                                                       | `role=document`        | Defines that content should be evaluated in reader mode by assistive technologies.     |
| `.k-pdfviewer .k-toolbar .k-button:has(.k-svg-i-search, .k-i-search)` | `aria-haspopup=dialog` | Describes that the Search tool button opens a dialog element.                          |
| `.k-pdfviewer .k-canvas .k-search-panel`                              | `role=dialog`          | Describes the role of the Search panel.                                                |
|                                                                       | `aria-label`           | Translatable message, same label as the one, used to describe the Toolbar Search tool. |

## Section 508

The PDF Viewer is fully compliant with the [Section 508 requirements](http://www.section508.gov/).

## Testing

The PDF Viewer has been extensively tested automatically with [axe-core](https://github.com/dequelabs/axe-core) and manually with the most popular screen readers.

> To report any accessibility issues, contact the team through the [Telerik Support System](https://www.telerik.com/account/support-center).

### Screen Readers

The PDF Viewer has been tested with the following screen readers and browsers combinations:

| Environment    | Tool |
| -------------- | ---- |
| Firefox        | NVDA |
| Chrome         | JAWS |
| Microsoft Edge | JAWS |

## Keyboard Navigation

For more details about the PDF Viewer component's keyboard navigation, refer to the article on [keyboard navigation in the PDF Viewer component](https://www.telerik.com/kendo-react-ui-develop/components/pdfviewer/keyboard-navigation).

## See Also

* [Accessibility in KendoReact](https://www.telerik.com/kendo-react-ui-develop/components/accessibility)
* [Accessibility Compliance and Keyboard Support in KendoReact](https://www.telerik.com/kendo-react-ui-develop/components/accessibility/accessibility-compliance)