N/A — this specific PMO/spreadsheet-migration use-case narrative is not confirmable from the currently cited source; recommend either sourcing it from a dedicated Smartsheet product/use-case page (not yet verified in this audit) or removing the specific PMO/migration framing and keeping only the general enterprise-work-management use case already supported elsewhere.検証待ちスプレッドシート利用者向けの移行しやすさ