Unicode characters are not coming out correctly in generated PDF

Question:

I am using PTConvert convertOfficeToPDF to convert my HTML file to PDF. However accents are not working, for example “ó” - “Già”

Answer:

The function convertOfficeToPDF actually uses iOS to do the conversion. As such, we have no control or insight into what is happening
http://www.pdftron.com/pdfnet/mobile/docs/iOS/src/interface_p_t_convert.html#ad130656a0984297f6b8106119102f1fc

That being said, I suspect there is an issue with encoding of the HTML. You should specify that the HTML file saved to disk is UTF8 encoded, by declaring that in the HTML.
https://www.w3.org/International/questions/qa-html-encoding-declarations.en