One of the primary functions of Adobe Acrobat Pro DC 2015 is its ability to create and edit PDF files. The software allows users to convert various file formats, including Word, Excel, and PowerPoint, into high-quality PDFs. Additionally, users can edit existing PDFs, adding or removing text, images, and other elements as needed. The software's advanced OCR (Optical Character Recognition) technology ensures that scanned documents are accurately converted into editable text.