PdfConformanceIdentification Conformance Property. The conformance level. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page Conformance Property Type Default Read Only Description [C#]string[Visual Basic]String "" No The conformance level. Notes This property indicates the conformance level. For PDF/A-1a, the value is "A"; for PDF/A-1b, the value is "B". Example None. previous page start next page