Actually, while he may not realize it, Nithin_94 is asking three related questions.
Can the FTP client connect to 3 FTP servers in one job step? Yes, one at a time. See the open FTP command to change the server the client is connected to.
Can the FTP client connect to a different server is a subsequent job step? Yes.
Can the FTP client connect to multiple servers simultaneously? Yes, but in different jobs running concurrently.