What should a media team check beyond whether an ad reaches the right audience?
A relevant audience doesn't settle whether a placement is appropriate. The media panel discussed how a message, the person receiving it and the surrounding context fit together, so look at what an ad sits next to as well as who sees it.
Pull a sample of real placements through your approved reporting tools. Look at what appears around the ad, how it's labeled, and what a person would run into before and after it.
Ask whether the surrounding material changes what the message means. A playful creative treatment can land differently beside serious news, and a placement can create an association the brand never intended.
Decide which situations your team will exclude or review. Ask the media partner how those rules get applied and what visibility you'll have, and keep your promises in line with what the service can verify.
Context can shift after launch
The creative file can stay the same while its surroundings change, so give someone the job of reviewing exceptions once the ad is live. What matters is whether your team can notice a problem placement and take a supported action, and the targeting choices made at the start won't cover that on their own.