Horizon Zero Dawn has 12 Vantage Datapoint Locations. Finding all of them unlocks the trophy "All Vantages found" (Found and accessed all of the Vantage datapoints).
You can buy a map for their general areas at any merchant. This doesn't give you the exact location, only a rough search area. The Vantage Datapoints are on high platforms overlooking huge open areas. So usually you must climb up mountains or rocks to reach them. There's always a supply box right next to them which contains
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