In the Lightroom preferences there is an option to create JPEG files next to raw files as separate images. Make sure that option is checked. I apologize for this being in English, but here is where the option is on my computer:
In the Lightroom preferences there is an option to create JPEG files next to raw files as separate images. Make sure that option is checked. I apologize for this being in English, but here is where the option is on my computer: