Short answer: for a US/EU SaaS archiving completed education forms, use an explicit fill job, require a flattened PDF as its output, and accept a provider only after representative files pass fidelity, latency, privacy, retention, and replay checks. Batch throughput is the deciding metric, but throughput that produces editable or unauditable records is a losing trade. The practical flow is small: the application validates a form request, submits one PDF job, waits for a terminal result, valid...