NUMBERS is a spreadsheet format used by Apple’s Numbers software. It supports calculations, charts, and graphs, making it ideal for creating data-driven documents on macOS and iOS devices. NUMBERS files are compatible with iCloud, allowing for easy sharing and collaboration with others.
PDF is a widely used file format for documents that need to maintain their original formatting across different devices. It can store text, images, and interactive elements like hyperlinks or forms. PDF files are commonly used for contracts, brochures, and professional reports.