Hi james,
Thank you for using Syncfusion Products.
It is possible to set the font style as both Bold and Underline in a PdfTable.Please look into the code snippet given below:
'Setting FontStyle as both Bold and Underline
defStyle_.Font = New PdfStandardFont(PdfFontFamily.Helvetica, 10, PdfFontStyle.Bold Or PdfFontStyle.Underline)
and also refer with the sample which we have posted,
http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=PdfFontStyle877645221.zipregards,
Selvakumar