Picard comprises Java-based command-line utilities that manipulate SAM files (described in SAMtools page), and a Java API (SAM-JDK) for creating new programs that read and write SAM files. Both SAM text format and SAM binary (BAM) format are supported
On Galileo you can load the module with the command:
module load profile/bioinf
module load autoload picardtools
on Marconi using the command
module load profile/bioinf
module load autoload picard
You can find the documentation on the web at the original site (http://broadinstitute.github.io/picard/)