> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/appian/get-started/faq/is-webviewer-secure-to-use-with-sensitive-data-or-files-stored-in-appian.md).

# Is WebViewer secure to use with sensitive data or files stored in Appian?

World's #1 PDF SDK Library for Web, Mobile, Server, Desktop

Yes, Apryse WebViewer is safe to use with sensitive data and files stored in Appian. The plugins are hosted within Appian and integrate into Appian's security architecture without disruption, providing you with the same level of security you know from Appian. None of your Appian data or files ever leave your Appian environment, since all data transfered is handled by the Appian Connected System and document processing occurs in the browser.

Also, Appian Solution Engineering worked with us to develop this component. Currently, it is the only complete Document SDK approved by Appian on the AppMarket.


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