Thanks for your inquiry. Aspose.Words provides one of the highest fidelity Word document to PDF conversion around. Many document features are exported to PDF exactly as how they appear in the original document. Please read about supported feature upon rending document to Pdf from here:
Please implement IWarningCallback
interface if you want to have your own custom method called to capture
loss of fidelity warnings that can occur during document loading or
I suggest you please use latest version of Aspose.Words for Java 14.10 and read following documentation link for your kind reference.