Can i file my taxes if i haven’t received all of them and go back later and file again once i have them?

NO.  You get to e-file ONCE.   You need to wait for all of your documents and enter them on the same tax return, then e-file.   If you try to do it piece by piece it will be a mess that you will spend months sorting out.  After you e-file, you cannot "add" things.  You would end up having to prepare an amended return called a 1040X which has to be mailed----then it takes the IRS about 4 months to process it and send your refund.

you can file them. however, once you do that if you change something then you would have to ammend them. i believe if you go this route when you ammend you have to mail it and not do it  electronically