Install the font pack and restart Adobe Acrobat. This adds the necessary CID character maps to your system, allowing the software to read the generic f1–f6 labels. Method 2: Force the PDF to Print as an Image
Upload the file to and preview it using the built-in Google Docs viewer, which has robust server-side font rendering.
: Export your archiving files using the PDF/A format. This specific profile is legally designed for long-term preservation and mandates complete font embedding.
When a PDF contains CIDFont+F1 through F6 placeholders, you will typically experience one or more of these problems:
encoding to support large character sets or complex scripts. Help+Manual Placeholder Naming