You cannot use BrightWall video creation methods if you are using standalone publishing, because you must be connected to a network (additional configuration is required after publishing the presentation).
Video Walls using XC5 Players
XC5 players can distribute video to up to four screens. All screens must be in either portrait or landscape orientation.
Manual/Legacy Video Wall Creation
VideoWall Link/Synchronization is a legacy method to create a video wall presentation with Series 3, 4, and 5 players in BrightAuthor:connected. This method is completely manual so it is unconstrained in terms of the number of screens and screen rotation.
Video Wall Bezel Compensation
See Configuring a Video Wall with Bezel Compensation to calculate the correct bezel compensation for your video wall.