Learn how to separate or unnest JPEG files from RAW files in Adobe Lightroom Classic. When you shoot RAW + JPEG and import into Lightroom, the software nests the two files together. The reason for this is to tidy up the catalog and to prevent you from accidentally editing a JPEG instead of a RAW.
There may be a time when you want to separate or unnest the JPEG files from the RAW files though. One reason you might want to separate files is to see the picture style / processed jpeg for when your RAW editing reference. Another reason to separate the two files would be if decide that you want to delete the jpeg files from your LR catalog.