Sorry, but your website isn't clear at all. Does the Professional font have any additional characters, such as actual lower case characters? Or is the license just for using the font as it?
Hi you can test the font and additional characters in this link: http://vtksdesign.com/wordpress/?p=4479
if you need special character that dont found in this link please send an email to douglas@vtkdesign.com
and let me know what character you need.
regards