Use the Report Writer utility on the SolarWinds server to add the node name, IP address, the custom poller name and the custom poller result. You will need to add filters to restrict the output to specific custom pollers and nodes. This will display each node's custom poller in a separate row. If each of the custom pollers must appear as a column, you can use the Edit > Show SQL menu option to view the SQL used for the report. Then, modify this SQL query using a SELECT CASE statement to transpose rows to columns. You will find a sample SELECT CASE use here
sql server - Simple way to transpose columns and rows in Sql? - Stack Overflow
Once you have the new SQL query, you can create an 'Advanced SQL Report' in the Report Writer utility using this query