There has been a recent change in API which caused the license initialization routine to break when loading license from Stream instance. In order to mitigate this issue, a quick HotFix has been published. Please try using the latest hotfix of Aspose.PDF for Java. During PDF to DOC conversion, an issue related to open font files was also noticed but it’s been rectified in a new hotfix. Likewise previous versions, this hotfix also contains New Features, Enhancements, and Bug fixes introduced in previous release versions and this hotfix has been optimized for PDF to Image and PDF to DOC format conversion. We recommend you please try using the latest hotfix and should you have any queries, please report the problem in Aspose.PDF product support forum.