PDF Layout - Version 2.50 Customize the startup options for your PDF files. You may decide whether to hide toolbar and menubar, display document title, resize window on startup, show in full screen mode, center window, center window, show thumbnail, show outline, hide window user interface or not when your PDF document is opened and viewed. You can even specify the page layout as single page, one column, two column left, or two column right.Supported PDF Versions:PDF version 1.0 (Adobe Acrobat 1.x)PDF version 1.1 (Adobe Acrobat 2.x)PDF version 1.2 (Adobe Acrobat 3.x)PDF version 1.3 (Adobe Acrobat 4.x)PDF version 1.4 (Adobe Acrobat 5.x)PDF version 1.5 (Adobe Acrobat 6.x)PDF version 1.6 (Adobe Acrobat 7.x)PDF version 1.7 (Adobe Acrobat 8.x, 9.x, ISO 32000)