Save to Stream

using (Redactor redactor = new Redactor(@"sample.docx"))
{
    // Here we can use document instance to perform redactions
    RedactorChangeLog result = redactor.Apply(new ExactPhraseRedaction("John Doe", new ReplacementOptions(System.Drawing.Color.Red)));
    if (result.Status != RedactionStatus.Failed)
    {
        // Save the document to a custom location and convert its pages to images
        using (Stream fileStream = File.Open(@"C:\\Temp\\sample_output_file.pdf", FileMode.Open, FileAccess.ReadWrite))
        {
            redactor.Save(fileStream, new RasterizationOptions() { Enabled = true });
        }
    }
}