[TYPO3-english] Can't view pdf by plagin Google Document Viewer

[Olga Zhuravleva]

Plagin Google Document Viewer. In backend Add content element - Plugin:
Document Viewer and add pdf documet in Plagin -> Settings.
After I save document plagin copy pdf file into folder
tx_atolflashpdfviewer.
Frontend returns an error "can not retrieve the document for viewing or you
do not have permission to view it".
TYPO3 Ver. 4.5.2
Access rights to folder tx_atolflashpdfviewer: rwx
Help to solve problem with error!