How to display greek letters in PDF. As of now ??? are getting displayed instead of greek letters like alpha, beta in PDF

In our application, we have a chemical name which contains greek letters like alpha and beta. These are getting displayed on screen but are coming as ??? in PDF.

Can anyone please help regarding this

@SRAVYAK6231 Are the fonts referenced in the HTML (which is processed into PDF) available on server ?

Could you try the suggestions outlined here, here and here?

This article contains the best troubleshooting suggestions. There is also a support article.

Also note that if a certain language fonts is not seen in pdf likely there is a missing font file reference while generating pdf.
We suggest you add font binary files and referring it in HTML fragments/Non-auto generated sections.

https://docs.pega.com/user-experience/85/generating-pdfs-your-ui