I Am using Aspose PDF for dotnet and I use WatermarkArtifact class to apply watermark by following this link https://docs.aspose.com/pdf/net/add-watermarks/#programming-samples-how-to-add-watermark-on-pdf-files.
I have …...WatermarkArtifact artifact = new WatermarkArtifact(); artifact.SetTextAndState(...Green) }); artifact.IsBackground = false; artifact.Rotation =...