PV refers to page view, which indicates the number of times that a site is viewed.
When a page is viewed and a specified font is distributed from TypeSquare, it is counted as 1 PV. When a browser is reloaded, it is also counted as 1 PV.
PV is counted per page, and the number of fonts per page does not affect PV.
Also, auto pilot by search engines is not counted as PV.