In order to submit your Apple TV app, you need to fill in the required privacy policy field (called “Apple TV Privacy Policy”) as seen in the following screenshot:
For submissions using your iubenda policy, you will need to copy in the entire text at the time of writing.
Doing so is contrary to our terms of service because it uses iubenda in a way that was not intended for this reason we ask you to get in touch and request permission to do so, which we will grant you after hearing you out.
If you base your operations in Germany, you might want to read through the information published by the German data protection authorities. Others may find it interesting as well.