BSC is more of an "organizational performance" scorecard rather than an employee performance assessment. What I want to know is how can we build-in customer preference into employee assessment system? How reliable will it be and how do we create such measures?
In a word, yes, you can use the scorecard to evaluate employees. In fact, the measures are supposed to be local but tied to overall strategy so that local employees see how their actions feed the organizational goals. The scorecard is a PERFECT way to put TEETH into the strategy ...
Your discussion explain that, YES, this can be done and gives reasons in 135 words and two references.