Hi there,
Using the sample from here: https://products.aspose.com/total.net/redact/:
Aspose.Pdf.Document doc = new Aspose.Pdf.Document(inputPath);
TextFragmentAbsorber textFragmentAbsorber = new TextFragmentAbsorber("l…... Using .NET Framework 4.8 (also tried 4.8.1)...and the server, including .NET Framework versions, installed libraries...