PDF, or Portable Document Format, is an electronic file format developed by Adobe that preserves the layout, fonts, images, and graphics of a document across different devices and platforms. PDF files are typically viewed and managed using Adobe Acrobat or other compatible software.
In photography and digital imaging, PDFs are often used to distribute portfolios, instructional guides, contracts, and image collections while maintaining consistent formatting. The format ensures that the document appears the same on any computer, tablet, or smartphone, making it a reliable choice for professional presentation and sharing.