I use Adobe Acrobat X Pro in my MBP and it does not show the watermark and even the printouts do not show the watermark.
There are plenty of free alternatives to Adobe Acrobat, use those and your problem will be solved ... here are a few you may want to use:
Quick Pdf Tools
There are plenty more ... just google
« Last Edit: March 10, 2013, 03:23:13 PM by Rienzphotoz »
5D MK III, 16-35/2.8 L II, 24-70/2.8 VC, 24-105/4 L IS, 70-200/2.8 L IS II, 100/2.8 L IS, 40/2.8, 50/1.4, 85/1.8, 150-500 OS, 600EX-RTx2, ST-E3-RT, Rokinon 24/3.5 T-S, D7100+18-300 VR, YN568EX, 055CXPRO4+468MGRC2, 190CXPRO4+322RC2, Gorillapod Focus+496RC2, CamRanger, B+W filters, Konova K3/31.5 etc