With the help of tech support we finally got it working. The key is to create a NUMERIC variable 1 thru 82, then create and apply a user-defined format that re-codes 1 to 'Aug 1- Aug 6', etc. Then put that format library in a place where the server can see it, in my case Lev1\SASApp\SASEnvirnment\SASFormats. I was lazy and named the catalog "formats" since that's what the SAS Config file was already looking for.
When this numeric variable is brought into VA it is automatically treated as a Category and sorted on by the formatted value.
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