Add and Search Hidden Text in PDF Documents using Java
As a part of our continuous improvement process, a new release of Aspose.PDF for Java 11.4.0 has been released having the capability to add or search hidden text in PDF documents. Furthermore, we have introduced the feature to use PDF file objects after calling ProcessPragraphs() method, so that further manipulation can be performed over this object (it was not possible with earlier release versions).
Add and Search Hidden Text in PDF using Java In order to add hidden text, pass an argument of true to TextState.