Sorry for the delay in reply due to extended weekend here.
Here are the answer for your queries.
1. For that you need to place the whole content in excerpt section. You can keep as many words in except section and it will be visible in client side.
2. Currently we don’t have audio video feature available. SO for that as well, you need to keep the video / audio code in excerpt. And the same code is rendered in excerpt section.
3. For different post type, you can create different shortcode. And with few custom css you can hide the title as per it. But changing background is not possible.
4. Ya it can be done. Also, in pro version we have layout settings page and you can increase / decrease it from settings page.
Hope this clears you confusion. Also, we have a 45 days full refund policy for the purchase. So you may purchase it and try. If you are not happy with it. We will make the full refund.