Many ERP solutions (Enterprise Resource Planning; the class of software that I think might fit best here), do offer mobile connectivity, but it can often come with tradeoffs. Be sure to sit down and prioritize the features you’re looking for to find the best fit.
We do lots of these sorts of automation and integration assessments. There are often many different of approaches here, all with different costs/tradeoffs. We offer an agnostic approach that will compare solutions between off-the-shelf and custom workflow using open source software. Happy to book a chat to hear more about your specific needs and offer a few high-level solutions if you’re interested.