Acrobat Pro 9 - Conversion Error from Word 2007

Question

I do not want to hijack the thread or question raised by another poster a short time ago but I cannot figure out how to correct the below.
Office 2007 fully updated
Vista 32-bit
Acrobat Pro 9.3.4
I have to provide data for someone else to assemble and publish and have been attempting to convert some Word documents nearly full of tables to press quality .pdf.  Whenever I try the conversion, Acrobat Pro seems to re-center the tables both horizontally and vertically forcing the misalignment of the rows of data although any repeating headers remain properly placed.  I can even see the table shift downward slightly when using the Acrobat conversion macro within Word.  It may be adjusting the margins instead of re-centering.
I have tried using the macro within Word 2007, Create PDF within Acrobat Pro and Print to PDF as well as tweaking some of the settings such as lowering resolution and turned off unused settings such as enable fast web view, etc.  The glitch also occurs with High Quality Print.  Standard used to work but after the update to 9.3.4 that conversion shows the same problem.  I even tried saving in Word 97-2003 format with the same results.
The documents in question do have custom page sizes and margins but do not use any abnormal fonts.  I have tried changing the margins but the conversion to .pdf still changes the information and/or magins as described above.  Row height seems to be correctly maintained.
I realize that a knowledgeable user can export the .pdf back into Word or other program but am trying to make it more difficult for someone to edit information which has always had extremely negative consequences in terms of data organization, layout and even integrity.
There has to be something really silly that I am overlooking.
Thank You

Answer 1

Thanks Bill.
Sorry for the delay, Verizon dumped its DSL +service to Frontier so we had one of the bi-weekly extended outages.
No changes occurred when I changed the default printer to Adobe PDF.  All of my printers are new enough so that they can handle the current margins so I do not think that they is a problem there but changing the default as suggested by you and Michael eliminates that as the source.
I had previously been able to convert using the built-in converter in Word but was unsure whether or not the result would be press quality and was unable to find this information in my searches.  I retested this and conversion using Word’s built-in converter works without a problem.
The conversion using Combine Miles > Merge Into A Single PDF also works without a problem with the highest quality setting.  It took several hours to run but I guess or assume that it was because of the number of tags as this is a quick setting and therefore I could not disable the tagging which is not needed in this case.
I was also able to convert the same file which had been saved from Word 2007 into the 1997-2003 format as described above but the same problem came up when using the Acrobat macro and Create PDF from File.  I had even created a modified press quality settings to modify settings like disabling autorotate, Object Level Compression, changed the binding option, lowered resolution, bumping the format up to PDF 1.7, etc., but all produce the same result.  I have tried changing the document margins in case the conversion process rounded these but all produce the same artifact/problem except when I use Combine Files or the converter built into Word.