Referencing the source of your data should be fine. Leveraging someone else’s logo without authorisation could be troublesome. If they have granted you authority to leverage their logo, then things should be fine.
As to whether this would be an Extension policy, that depends on how it is implemented. For example, if you attempted to provide a link in a video overlay to their website, that is a violation. There are definitely paths forward that do not violate policy though.