Erep has never played much of a role in Naboo's history, except that this was the first planet the Grizzmalt colonists flew by on their way to Naboo.
There isn't much to see on Erep, unless you're a sightseer. The dense atmosphere and greenhouse gases have created a planet that is all but unlivable. It does, however, make some spectacular-looking storms. While not as beautiful as Storm's storms, these weather patterns are known to draw a few hundred tourists a year. To facilitate this, there is an observation platform over Erep, manned by droids, for those few tourists who feel the need to look at Erep's storms.