SAN MATEO, Calif.--(BUSINESS WIRE)--Coupa Software, the leading provider of cloud applications for finance, today announced it has made Coupa for Apple Watch available via the Apple App Store. Coupa for Apple Watch makes it easier for employees and executives to submit and manage approvals across requisitions, e-invoices and expense reports. By enabling one-touch, on-the-go approvals, Coupa helps companies gain real-time visibility and control of their expenditures. Coupa is extending its leade