Combining SAFe Scrum with classic Scrum
There is a popular stereotype that SAFe Scrum and actual Scrum Guide Scrum are two different things which cant fit together
Here is an excellent article, published here on scrum.org, about combining Scrum guide based Scrum and SAF Scrum in one project, in one organization and benefiting from the results
Scrum and SAFe: Better Together | Scrum.org