I'm not sure that Pokerjuice is the best tool for you at this stage, although it's a useful tool which I've paid for access to a couple of times. It lets you model pretty much any hand scenario, and is very slick, but you already have access to Odds Oracle, which gives similar analysis in a less intuitive interface.
So far, I think the best tool I've used is the PLO Trainer Web App, which at the time was $79/month. However, this has now increased to $149/month which is not good news for micro limit players. PLO Matrix is a similar pre-flop tool but less intuitive to use, compared to the PLO Trainer.
If you are happy to study from books then JNandez' book was decent, and is based on the PLO Trainer output, so is a reasonable 'cheap study option'. I also think Dylan Weisman's PLO Launch Pad is a decent introductory course with a lot of content for a limited cost. It's a one-off fee of $99, but this is for lifetime access.
If you have a budget of zero then, although dated, the 'PLO From Scratch' PDF is still a great resource which provides a lot of insight into PLO for newcomers.
The big barrier to a lot of the tools for micro-stakes players are the costs relative to the size of the bankroll you're playing with at those limits, so it's a compromise of finding the best option for your budget. However, there are some great resources available, even with no budget, such as watching the streamers play and discuss their thinking.