@Hariom7 if you read through the FAQ like you claim, then you would see how it says you aren’t guaranteed any amount of ads. It also says as below:
That’s maximum, not minimum. You can see 0 and it still would match the max of 10. It all comes down to what ads there are in your region that are set to target your OS, plus that you have not already viewed the maximum amount of times.
You may want to read the links below: