How to view the native Roman and Arabic pages

Technical Support
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1

I’m trying pdftron but I wanted to know how to view the native Roman and Arabic pages of the pdf, I followed the documentation PDFTron Systems Inc. | Documentation or https://www .pdftron.com/documentation/samples/node/js/PageLabelsTest or PDFTron WebViewer Class: PageLabel but nothing. Dove am I wrong? Can you give me a hand?
Thanks Giuseppe

2

but nothing. Dove am I wrong? Can you give me a hand?

What do you mean exactly by nothing?
Please provide your modified PDF file.
How did you check and confirm that nothing happened? What application?
Screenshots help a lot.