Yes Bluebeam Revu follows the PDF standard which allows annotations made in Revu to be seen in other PDF viewers However the only way to use Revus unique annotation features is by opening the PDF in Revu For clients that do not have Revu we encourage users to download a copy of Bluebeam Vu our free PDF viewer and collaboration tool for iPad and Windows

Can you repeat this sentence, but add in punctuation?
Yes. Bluebeam Revu follows the PDF standard, which allows annotations made in Revu to be seen in other PDF viewers. However, the only way to use Revu's unique annotation features is by opening the PDF in Revu. For clients that do not have Revu, we encourage users to download a copy of Bluebeam Vu, our free PDF viewer and collaboration tool, for iPad and Windows.