Accessible PDF output depends on the structure written into the PDF itself, not only on what the page looks like. Gutenburg’s proprietary PDF engine gives the product direct control over that final PDF-generation layer.

Why the PDF engine matters

A document generator can reproduce visual content without necessarily creating the technical structure assistive technologies depend on. Gutenburg’s engine is designed to make accessibility part of generation rather than a separate remediation step after the document has already been created.

Generation pipeline

Salesforce dataRecords, fields, variables, tables, snippets, and template configuration.
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Gutenburg templateAuthor-defined layout, content, accessibility text, and document settings.
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Custom PDF engineGenerates the PDF and applies the supported technical accessibility structure.
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Salesforce document/fileThe resulting PDF remains in the Salesforce workflow.

What the engine can and cannot decide

The engine can automate technical output behavior, but it cannot determine human meaning. Template authors still need to make choices such as writing useful alternative text and selecting colors with sufficient contrast.

Quality control

Gutenburg validates generated PDFs against five third-party accessibility checking tools with each release to detect technical regressions in generated output.