Nope. It is possible to understand Darwinian evolution but not accept it. It is possible to not understand Darwinian evolution but accept it.Isn't is funny that when no one accepts Darwinian ideas, they are labelled as having no understanding of Darwinian ideas.
You neither accept it nor understand it.
There are plenty of versions of God where God did not create everything. Buddhism and Jainism, for example, do not posit that God created everything.If God exists (for the purpose of argument), how could there be anything if God did not exist?
Do not fall into the common trap of ego, that your version of God is the only possible version.