If you haven't set up those pages, your adsense application is more likely to get rejected. It doesn't matter whether you have contents or not but minimum one to two contents is enough.
Disclaimer page is important. It tells users about the contents that are available in your websites.
In case of cokkies, as per the Russian law implemented on every websites, no one should collect user data. In India there is no rule for privacy protection but if you're applying for AdSense then you will need privacy protection saying that you collect visitors information only to improve your website.
However, to raise a revenue and to boost your earning, you need to write and contribute articles regularly.
Hackers never learns but always wins!