It is always best to try then post in one of the Stack Exchange groups.
This question is very general. So the answer will also be vague as the actual porting of a Linux OS distribution to a new platform is not trivial and contains many steps. And not all of them may have been completed to the extent to suit your needs.
Evidently you can run Debian on a Raspberry Pi. But there are a few issues. Look here and do the research to understand if these limitations will cause you to abandon this path.
As for Suse, evidently it is a "specially packaged version of SUSE". So may not actually have all the features a normal Suse distribution has. Look here to decide if it will work for you.