Report Creation Help needed

HI I am trying to create a simple report. It should be in a grid. I need to report on certain Service requests from our service Catalog. Most of the fields I need are in the Request table. There are also some additional custom fields in a table called SR User Management Custom fields. What is the best way to accomplish this? I tried creating a simple Pivot report. As soon as I add a field from the Custom Fields table I get very few results.

To be clear I simply want a grid that will also allow for some User filters. All the records will be in the Request table. The SR User Management Custom Fields table will be a subset of the Requests table.

Thanks,
Brian