You may redistribute the Apache files that are included with PowerBuilder to your users.
Any use or distribution of the Apache code included with PowerBuilder 2019 must comply with the terms of the Apache License, which is located in the free download terms document for PowerBuilder.
Version 0.20.5 of the Apache Formatting Objects Processor (FOP) is required if your application uses XSL-FO to save files as PDF. See the Apache FOP Web site at https://xmlgraphics.apache.org/fop/.
The Apache Xerces files xerces-c_2_8.dll and xerces-depdom_2_8.dll are required for XML Web DataWindow support, XML support for DataWindows and DataStores, PBDOM, and SOAP clients for Web services. See the Xerces C++ Parser Web site at http://xerces.apache.org/xerces-c/.