Yes, on some of them but Apple does not officially support and they may void your warranty if you do it as you have to open up your Mac and take it apart.
It’s definitely not possible on the MacBooks as the “SSDs” are soldered on but on the Mac Studio and Mac mini M4 models there are 3rd parties that offer NAND modules. We’ve setup a (mini) SSD upgrade guide post. You can also check out some videos on YouTube if you’re interested in trying it.