Available in: Axsy Mobile for Salesforce, Axsy Field Service, Axsy Public Sector, Axsy Retail Execution

Using multiple nested Loops is not currently supported in Axsy Smart Forms. You can use a Repeating Section in conjunction with a Loop to achieve two levels of nesting with all the benefits of looping and mapping applied to both the Repeating Section and the Loop. 

Please see our mapping knowledge article here.