You can use the following links to download Javadoc files for the version of SAS you are using:
SAS 9.4m9: javadoc94m9.zip
SAS 9.4m8: javadoc94m8.zip
SAS 9.4m7: javadoc94m7.zip
SAS 9.4m6: javadoc94m6.zip
SAS 9.4m5: javadoc94m5.zip
SAS 9.4m4: javadoc94m4.zip
SAS 9.4m3: javadoc94m3.zip
SAS 9.4m2: javadoc94m2.zip
SAS 9.4m1: javadoc94m1.zip
SAS 9.4: javadoc94.zip
SAS 9.3m1: javadoc93m1.zip
SAS 9.3: javadoc93.zip
After you have downloaded a ZIP file, unzip the contents and view the index.html file to get started.