Hi Michelle, with any product with such licenses as MRR, RR you cannot edit them, you can learn more about these particular licenses here:
With any product that has a CU license, this means you can use them for commercial purposes, such as adding them to a website, blog, or a product you have created etc.
With the stock images, you can use them for your projects, and with any stock image that has an MRR, RR or PLR license, that means you can sell them.
We're here to help. You can also contact our support team here: https://www.plrdatabase.net/support