Sign documents with exception handling Leave feedback

try
{
    using (Signature signature = new Signature("sample.xlsx"))
    {
        DigitalSignOptions options = new DigitalSignOptions()
        {
            CertificateFilePath = Constants.CertificatePfx,
            ImageFilePath = Constants.ImageHandwrite,
            // skip password specification
            //Password = "123456780"
        };
        // sign document to file
        signature.Sign("signed.xlsx", options);
    }
}
catch (GroupDocsSignatureException ex)
{
    Console.WriteLine("GroupDocs Signature Exception: " + ex.Message);
}
catch (Exception ex)
{
    Console.WriteLine("System Exception: " + ex.Message);
}