ImageOrPrintOptions property. When characters in the Excel are Unicode and not be set with correct font in cell style They may appear as block in pdfimage. Set the DefaultFont such as MingLiu or MS Gothic to show these characters. If this property is not set Aspose.cells will use system default font to show these unicode characters...this property is not set, Aspose.Cells will use system default...namespace Aspose.Cells.Rendering assembly Aspose.Cells English...