Overlay a .PNG logo on a series of photographs?

Hi there,

Are you referring to Lightroom mobile while batch overlating a logo to your images?

Please checkout the below similar discussions and see if that helps:

https://feedback.photoshop.com/photoshop_family/topics/watermarks-in-lr-cc

https://photo.stackexchange.com/questions/103266/software-for-batch-watermarking-photos

Thanks,

Akash