Full Use Case:
When I generate my document to print name label for 3 separate contacts (from 3 separate related list merge fields into one table on one record), the names are merging but it’s printing them 3 times instead of once. Why is that happening and how to resolve?

Consulting Reply:
RS Documents app only merge related lists with one record per row, and not repeating horizontal.  Conga might be able to solve your use case. We could consider adding a feature to support this for a fee, if you are interested then contact support@ramseysolutions.com.