Soda PDF Desktop
Select the text which needs a new font while in Edit Mode.
In the Edit Tab you will see the Font Name in a dropdown menu. Click here and you will be able to scroll through the full font list available on your computer. On the right side you will see a sample.
When you click on a font from the list it will be updated automatically.
Soda PDF Online
Soda PDF Online is hosted on our servers and accessed publicly via the internet. It does not install into your system and cannot access your font list.
Since most custom fonts are not public domain, we cannot publish them. Soda PDF Online will do its best to match the fonts used in your documents.