TPdfWriter.FallbackFontsBold Property
A semicolon (;) separated list of font names similar to FallbackFonts that will be used only for bold fonts.
If you fallback fonts already contain bold variants, you don't need to set this property. This property is only if you want to use different font fallbacks for bold fonts and regular fonts.
Syntax
Unit: FlexCel.Pdf
property TPdfWriter.FallbackFontsBold: string