To edit text (or attempt to), use the TouchUp Text tool to highlight text and change it. It’s important to note that the purpose of font embedding is to ensure that a PDF file displays correctly and prints as intended. The fonts embedded in the PDF are not available for you to use in any other way—and that includes editing text. Consequently, you do need to have the necessary fonts active on your system to add or delete text in a PDF file. If you attempt to edit text using an unavailable font, you’ll receive a warning alert (Figure 12.6).