You might experiment with the same bean and different grind settings to see if that helps with the taste you don’t like. Though age of the beans messes with this too which is maddening. Generally speaking though lighter roasts are more fiddly to brew so get messed up more frequently.

There are two kind of "sourness" in coffee, one is of acidity, which is a (for some highly desirable) feature of the beans, which can be toned down with darker roasting levels. The other is astringency (tea-like) which is a sign of extraction defect and generally not liked by all. This can be controlled with grind settings.

As an experiment, try Starbucks Kenya. It’s one of the most aggressively citrus-y among the coffees they serve — that sharp flavor even survives the darkish Starbucks “medium” roast.