we have a license for Aspose.Total, but only Aspose.Pdf library seems to be doing this i.e. it adds evaluation watermark to the documents.
Our license should expire on: 20180516
When I tried to use v17.7 it was working ok.
One other question:
is this PDFJAVA-36807 Epub to PDF: java.awt.HeadlessException Bug
the same thing as is mentioned here: java.awt.HeadlessException thrown when converting HTML to PDF PDFJAVA-36737 ?
Until that bug [already half year old] is fixed we cannot update the library, which is really bad.