There are some possibilities.
First: Is there a reason why you want to restore but not want to overwrite? If the reason is to check the differences, then you can do that straight from the Veeam explorer for AD solution.
Two: What I do in that situation is export it to a file (which will be in LFD format and then make some modifications to it (LDF can be opened with notepad) and then use LDIFDE to import it to somewhere else (but be aware, only changing something small won't fix it... There is an object ID that needs to be taken into account!)