Thanks for your response. This issue is same as the one mentioned here and it is logged in our GitHub issues as https://github.com/groupdocs-viewer/GroupDocs.Viewer-for-.NET/issues/176. We’ll keep you informed in case of any updates related to it.
We are delighted to inform you that we have added the support for your requested feature of removing cache files for a specific document in GroupDocs.Viewer for .NET 17.12. Please download the latest version of API to use this feature. For more details, please visit this documentation article.
Your reported issue (logged as https://github.com/groupdocs-viewer/GroupDocs.Viewer-for-.NET/issues/147) has been fixed in our latest front-end application GroupDocs.Viewer-for-.NET-MVC-App. Please download the application from the following repository.