Let's assume we need more than one poll to display it on different part of th...

Let's assume we need more than one poll to display it on different part of the working sites. You can make use of the contrib module called NodeBlock(https://www.drupal.org/project/nodeblock). When you enable the core module poll it gives a content types called poll under which there a setting option will be available once you will enable the NodeBlock module. Configure it according to your need and you can make all the poll available as block which can be placed on different part of site as per need.