Yes you can, a few months back Kabam messed up and reset the parts of a spotlight which allowed players to go through it again. Those that did gained two of the same relics and both can be used.
I think he's talking about buying it multiple times in the raid store, which you can do (it's just a matter of how much of a sadist you are and how much energon you want to spend to get up to 1 million raid chips again).
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