SAP Ariba is a cloud-based procurement platform that streamlines procurement processes, improves collaboration, and drives cost savings. It offers procure-to-pay automation, supplier management tools, sourcing and contract management capabilities, and real-time insights. Benefits include cost savings through better negotiations, optimized spend, and reduced procurement costs as well as improved efficiency, visibility, and supplier relationships. The platform integrates seamlessly with SAP ERP and other systems for a unified procurement ecosystem.