1. PDF was created and developed by Adobe Systems, while Word files were designed and developed by Microsoft.

  2. PDF files can be edited and viewed through Adobe Acrobat. On the other hand, Docx files can be edited and viewed through Microsoft Word.

  3. Word is an editable format. On the other hand, PDF is a format that cannot be edited.

  4. Word provides various functions for user convenience, such as various fonts and colors to choose from. These kinds of options are limited in PDF.

  5. PDF documents are viewed independent of the software, hardware, or operating system. Although it is easier to edit a Microsoft Word document, problems can arise when users save Word documents on a Mac and view the documents on a computer with Windows. However, PDF document files appear the same on all devices regardless of the operating system.