A converted PDF (56 passages, no note) holds no extractable text although the document (note: Document) is large; it is probably made of images (18 passages, no note). Nothing of it enters search (note: Search) or the occurrence scan (4 passages, no note).
Check (note: Check) W-CONV-SUSPECT, severity (note: Severity) warning by default, documented with a before and after example in the check pages. The severity can be overridden per project (note: Project) or per repository (note: Knowledge repository).