| PDF/A version | Conformance level | Class type | Severity |
|---|---|---|---|
The PDF/A document has artifacts.
Graphics objects that are not part of the author’s original content but rather are generated by the conforming writer in the course of pagination, layout, or other strictly mechanical processes (PDF reference, sec. 14.8.2.2).
The clause refers the author's original content, which can only be reliably specified by the authoring application. In other words, human intervention is required to check if the document complies to this requirement.