Because these aren't real fonts, "downloading" them is not possible. However, you can often restore the document's appearance by mapping these placeholders to common system fonts:

If you are seeing errors or garbled text in a PDF due to these missing fonts, you can try the following solutions: Missing Embedded Fonts - Adobe Community

If you have an Adobe subscription, these CID fonts are available through .

/F1 12 Tf /F2 10 Tf ...