Interface > Working with Data Exchange Formats > PDF > To Provide Description Data for the PDF Export
  
To Provide Description Data for the PDF Export
1. Open a file, click File > Save As > Save a Copy, and specify PDF (*.pdf) as the file type for export in the Save a Copy dialog box. The PDF Export Settings dialog box opens.
2. Click the Description tab on the PDF Export Settings dialog box to specify descriptive information for the PDF document.
3. Type the document information in the following boxes:
Title
Author
Subject
Keywords
4. Click OK on the PDF Export Settings dialog box. The file is exported with your description data.