PDF Architect 5 Signature is too small

I am trying to help one of my colleagues sign a document using PDF Architect, but whenever she signs the document, the signature comes out insanely small. Completely unreadable. Is there a setting somewhere we can use to adjust the size of the signature?

Dear Asher,

Please find below our phone numbers as well as our ticketing system in order to contact one of our customer service representative: http://web.pdfarchitect.org/support.aspx

Kind regards