Hello Aizaz,
Maybe I can’t explain.

I have already created a custom layout and it is active.
The layout is downloaded from one of your demos.

Some settings like those described above are always useful for promo purposes, such as:
The personalized label, or the insertion of an HTML block, etc

All things that you have already foreseen in the theme and inserted in the product page.
But I don’t understand why they don’t work and how to fix it.
I don’t think there are these options among the blocks, correct?

So how do I activate them?

PS. Please delete the public video you shared, I don’t want the site name to be seen.