| DigitalSignatureElement(Byte, String, Int32) | Constructs a digital signature element that can be applied to a PDF document in the position where the last PDF element was rendered |
| DigitalSignatureElement(String, String, Int32) | Constructs a digital signature element that can be applied to a PDF document in the position where the last PDF element was rendered |
| DigitalSignatureElement(RectangleFloat, Byte, String, Int32) | Constructs a digital signature element that can be applied to a PDF page in the given position |
| DigitalSignatureElement(RectangleFloat, String, String, Int32) | Constructs a digital signature element that can be applied to a PDF page in the given position |