In theory they do have access and should, but in practice they don't.
Samsung's flagship mobile phone products tend to ship with Qualcomm Snapdragon SoCs in competitive markets, such as USA/North America, versus their "in-house" Exnyos SoC used in markets where consumers tend to have less choice (e.g. Samsung S-series phones with Snapdragon for USA, Exnyos for EU and KDM markets)
