Is maintenance possible with WEBGUI during the run

Hi, 

I've an question regarding webgui and the run/maintenance. I've sometimes popular up which explanied that I can't utilized for illustration screenpainter, debugging; HRFORMS successful the WEBGUI configuration mode. 

My question : aft the GO live, tin I maintain, hole issue, bash alteration petition if I person ONLY the webgui access?

Please archer maine If clarifications are needed.