I've just downloaded a new font from the web, and installed it into the Font Book application, where I can find it under all fonts.
Specifially, "Diary Of A Wimpy Kid Font" is the one I'm referring to. I want to use it when editing a PDF with the preview application, but it doesn't show up there. Have I just missed a step? How do I use a font from font book in preview?
There may be a bug in some versions of Preview so that some third-party fonts do not appear in the Annotations font selection control.
Preview missing lots of fonts that are shown in font book
Also, note that amateur fonts which may not have been created to professional standards have traditionally been responsible for a variety of problems.
The books of "Diary of a Wimpy Kid" use Coop Forged as their typeface. https://houseind.com/hi/typography_of_coop
On a system running macOS Ventura (13.3), I was also unable to use fonts in Preview.app that had recently been installed and were visible in Font Book.app, but noticed that some fonts I'd previously installed were available in Preview. Restarting both applications didn't cause them to show up in Preview.
However, I've confirmed that fonts available in Font Book that are in either /Library/Fonts/ or ~/Library/Fonts/ are available in Preview after a reboot.
After you open your file with Preview, go to Tools Menu/Annotate/Text. Click on text a toolbar will appear above your image. At the right end of the toolbar is an icon for text. This icon is a capital A and if you click on the arrow it will open a pane where you can select font and size. The pulldown should show all the fonts available. See the image below.
And,
Select the pulldown next to the 'A' at the end of the annotation toolbar.
