Embedded Fonts?

Hi,
I have a quick question which I am now unsure about.

With a static image, I can simply flatten the image in my image editing program of choice, and know that any fonts used in my image are NOT embedded, and cannot be extracted.

The question I have is - how does this work with video?

I have have a clip in my Davinci Resolve timeline, but what happens if I include text in my video - what happens when I export?

Is the actual font I used somehow embedded, or does Davinci Resolve simply flatten each frame and then combine them to make the video?

I want to purchase a font from a font foundry, and it says the font can be used in video, so long as the font is not embedded and cannot be extracted.

I didn't think it was possible to extract fonts from a video, but I am now doubting myself.

Any help appreciated.

Thank you all in advance.

With a static image, I can simply flatten the image in my image editing program of choice, and know that any fonts used in my image are NOT embedded, and cannot be extracted.

It's the same with video files.