We are using GroupDocs.Conversion to convert to HTML and PDF, but wherever the Symbol font is used in our docs, the output is an empty no-glyph-available box. The formulAs with the Symbol chars in them are actually crit…...We are using GroupDocs.Conversion to convert to HTML and PDF, but wherever the Symbol font is used in our docs, the output is an empty no-glyph-available box. The formulas with the Symbol chars in them are actually crit…