Admin options
As Confluence Admin you have a few options to make Confluence Export PDF more efficient and customized to your needs.
On the main left panel in “General Configuration” view you can find “PDF EXPORT” section
Confluence General Configuration Left Panel
PRE-DEFINED EXPORT CONFIGURATIONS
You can Add, Edit, and Delete Export to PDF configurations (Schemas) with names to be used by users.
Predefined COnfigurations (Schemas)
In the “Generate PDF Schema” view you have several options to customize the final PDF file.
CUSTOM FONTS
You can add Font-Families that be used to Export to PFD. You have two options to add Font:
Add a single font file
Add a few font-family files
You can find many free fonts here:
https://www.google.com/search?q=free+fonts