There are some fonts that just don't play nicely when saving as a PDF.
Certain character combination cause the text to disappear or turn into squares for each character.
Try changing all the text to ARIAL and I would guess that the PDF will be fine.
What font is it that you are using?
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11