Estimate annual UiPath Document Understanding AI Unit or Platform Unit consumption from customer automation descriptions, especially messy natural-language descriptions involving scanned documents, forms, OCR, classification, extraction, indexing, manual queues, batches, faxes, PDFs, or document routing. Use when Codex needs to decide whether DU applies, infer documents and page volume, source or annualize workload counts, calculate low/base/high consumption, explain assumptions, or produce a planning estimate for a UiPath customer.