If you own the document source, map the broken placeholder references back to active font typography:
Open the broken PDF document using on macOS or your default system viewer. Click File in the top menu and select Export as PDF . cid font f1 family hot
: Open the document, select the broken string, and replace the assignment with common web-safe options like Arial , Helvetica , or Myriad Pro . The visual layout often aligns perfectly because the geometry matches the original metrics. 4. Adjusting PDF Export Preferences If you own the document source, map the