veraPDF automated check, PDF/UA-1 profile (veraPDF 1.30.3; profile: PDF/UA-1 validation profile)

before.pdf: DOES NOT PASS the veraPDF PDF/UA-1 automated check | failed rules: 7 | failed checks: 219 | passed rules: 99 | passed checks: 612
   7.1-3 x117: Page content is neither tagged nor marked as decoration | veraPDF: Content shall be marked as Artifact or tagged as real content
   7.2-34 x96: No language set for the text | veraPDF: Natural language for text in page content shall be determined
   7.21.4.1-1 x2: Fonts not embedded in the file | veraPDF: The font programs for all fonts used for rendering within a conforming file shall be embedded within that file, as defined in ISO 32000-1:2008, 9.9
   7.1-11 x1: No structure tree (the file has no tags) | veraPDF: The logical structure of the conforming file shall be described by a structure hierarchy rooted in the StructTreeRoot entry of the document catalog di
   6.2-1 x1: File is not marked as tagged (MarkInfo) | veraPDF: The document catalog dictionary shall include a MarkInfo dictionary containing an entry, Marked, whose value shall be true
   7.1-10 x1: Window does not show the document title (DisplayDocTitle) | veraPDF: The document catalog dictionary shall include a ViewerPreferences dictionary containing a DisplayDocTitle key, whose value shall be true
   7.1-8 x1: No XMP metadata stream | veraPDF: The Catalog dictionary of a conforming file shall contain the Metadata key whose value is a metadata stream as defined in ISO 32000-1:2008, 14.3.2. Th
after.pdf: PASSES the veraPDF PDF/UA-1 automated check | failed rules: 0 | failed checks: 0 | passed rules: 106 | passed checks: 9314

An automated check is one part of review. It cannot judge whether headings, reading order, table headers or alt text are right; a person checks those.