Hey guys I thought I'd pop this questions to you pros..Is it possible to alter a drawing once its been converted to a .pdf file format. For example, if its a diagram of a house lay out, is it possible to actually remove a wall and alter it or do the same and move it all the way to the other side of the house ???? if so id really appeciate it. best rgds,

 
 I can say see this web to find what you are looking.:
www.aidecad.com