Returning schema from dynamic aggrigate query

I am creating a database to run aggregate ETLs for end customers.  Customers will put data into a table which will dynamically run the sql and put it into an end table.  The end table name is also included in the meta-data table with the query, but I need to find a way to dynamically create the table if it doesn't exist.

Because the source table exists on a remote server and I am not permitted to do linked server queries, I need a way to get the schema of my returned queries.

An example of the type of query I am talking about is:

CREATE TABLE Sales ( BusinessDate datetime,
          ColPK INT IDENTITY(1,1),
          Sales MONEY,
          SourceType INT,
          Region VARCHAR(50)) 

DECLARE @Rows INT
SELECT @Rows = 50
WHILE @Rows >1
BEGIN
         
INSERT INTO Sales (BusinessDate,Sales,SourceType,Region)

SELECT BusinessDate = DATEADD(dd,CAST( RAND( (DATEPART(ms, GETDATE()) * 100000 )
           + (DATEPART(ss, GETDATE()) * 1000 )
           + DATEPART(mcs, GETDATE()) ) *-1000 AS INT),GETDATE())

,Sales = CAST( RAND( (DATEPART(mm, GETDATE()) * 100000 )
           + (DATEPART(ss, GETDATE()) * 1000 )
           + DATEPART(ms, GETDATE()) ) * 10000 AS MONEY)
,SourceType = CAST( RAND( (DATEPART(ss, GETDATE()) * 1300 )
           + DATEPART(ms, GETDATE()) ) * 10 AS INT)
,Region = CASE (CAST( RAND( (DATEPART(ms, GETDATE()) * 123400 )
           + (DATEPART(ss, GETDATE()) * 1200 )
           + DATEPART(mcs, GETDATE()) ) * 5 AS INT))
     WHEN 0 THEN 'North America'
     WHEN 1 THEN 'Europe'
     WHEN 2 THEN 'Africa'
     WHEN 3 THEN 'Asia'
     WHEN 4 THEN 'South America'
 END

SELECT @Rows = @Rows-1

END

--Query I need schema for is:

SELECT TotalSales = SUM(Sales)
 ,Region
 ,Yr = DATEPART(yyyy,BusinessDate)
 ,Mo = DATEPART(mm,BusinessDate)
FROM Sales
GROUP BY Region
 ,DATEPART(yyyy,BusinessDate)
 ,DATEPART(mm,BusinessDate)

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